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Oceania · Dutch expansion and the colonial era
Sultan of Yogyakarta
from 1755
The Sultanate of Yogyakarta (Kasultanan Ngayogyakarta Hadiningrat) is a Javanese Muslim monarchy in south-central Java. It was founded in 1755 when the Treaty of Giyanti split the old Sultanate of Mataram in two. Its rulers all take the name Hamengku Buwono, usually translated as "he who holds the world in his lap". The first was Prince Mangkubumi, who built the palace (kraton) that still stands at the heart of the city of Yogyakarta. The name Ngayogyakarta is traditionally derived from Ayodhya, the city of Rama in the Ramayana. The sultanate lived under Dutch and, briefly, British overlordship, lost much of its land after the Java War of 1825–1830, and joined the Indonesian Republic in 1945. Today it is the only Indonesian monarchy whose ruler governs by law: the reigning sultan, Hamengku Buwono X, is also governor of the Special Region of Yogyakarta.

- Existed
- from 1755
- Shown on the map
- 1744–1829
- Peak area
- 4k km²
- Region
- Oceania
At a glance
| Full name | Kasultanan Ngayogyakarta Hadiningrat |
| Founded | Treaty of Giyanti, 13 February 1755; Hamengku Buwono I proclaimed and crowned on 13 March 1755 |
| Seat | The Kraton (palace) of Yogyakarta, occupied from 7 October 1756 |
| Dynasty | Hamengku Buwono, a branch of the Mataram royal house |
| Religion | Islam; the sultan's title includes "Sayidin Panatagama", lord and regulator of religion |
| Languages | Javanese, with the court's high register (krama); Indonesian today |
| Colonial status | Princely state under the VOC (to 1799), the Dutch colonial government and the British (1811–1816) |
| Since 1945 | Part of the Republic of Indonesia; since 1950 the Special Region of Yogyakarta (Daerah Istimewa Yogyakarta, DIY) |
| Current sultan | Hamengku Buwono X, on the throne since 7 March 1989 and governor since 3 October 1998 |
| Sister court | The Pakualaman, a minor princely house created inside the sultanate in 1813; its ruler is DIY's vice-governor |
How was the Sultanate of Yogyakarta founded?
Yogyakarta was born out of the collapse of Mataram, the Muslim kingdom that had dominated central Java since the late sixteenth century. By the 1740s Mataram was weakened by rebellions and by the growing power of the Dutch East India Company (VOC). In 1745 its court moved from Kartasura to Surakarta. Prince Mangkubumi, born in 1717 as a son of Sunan Amangkurat IV, broke with the court and in 1746 took up arms against the VOC and its allies. According to the Kraton's own history, his following grew from 3,000 fighters in 1746 to 13,000, including 2,500 cavalry, in 1747.
The war ended in a partition. Under the Treaty of Giyanti, signed on 13 February 1755, Mataram was divided into two kingdoms. The Kasunanan of Surakarta went to Sunan Paku Buwono III, and the Kasultanan of Ngayogyakarta Hadiningrat to Mangkubumi. Two days later, on 15 February 1755, the two rulers met at Jatisari. There, according to the Kraton, they agreed how the two courts would differ in dress, custom, language, gamelan and dance. Yogyakarta chose to continue the old Mataram traditions, while Surakarta would develop new forms. Mangkubumi was proclaimed and crowned as Sultan Hamengku Buwono I on 13 March 1755. A treaty at Salatiga in 1757 recognised a third princely house in Surakarta's territory, the Mangkunegaran, and the boundaries between the courts were fixed again by the Treaty of Semarang on 26 April 1774.
Hamengku Buwono I chose the site of his capital himself, between the Code and Winongo rivers, with Mount Merapi to the north and the Indian Ocean to the south. Building began on 9 October 1755, and the sultan moved into the new Kraton on 7 October 1756. He also built the water palace of Taman Sari between 1758 and 1765, with Tumenggung Mangundipura as architect (Kraton Yogyakarta; World Monuments Fund). A popular legend credits a Portuguese architect. The Kraton remembers him as "a great builder", the equal of Sultan Agung of Mataram.

Who were the sultans of Yogyakarta?
All ten sultans have taken the name Hamengku Buwono, often shortened to HB. Reign dates follow the Kraton's official biographies. The early nineteenth century was turbulent: Hamengku Buwono II was deposed twice and restored twice, so his reign overlaps with those of his son and grandsons.
| Sultan | Reign | Notes |
|---|---|---|
| Hamengku Buwono I | 1755–1792 | Prince Mangkubumi (1717–1792); founder, builder of the Kraton and Taman Sari |
| Hamengku Buwono II | 1792–1810, 1811–1812, 1826–1828 | Deposed by Daendels (1810) and by the British (1812); exiled to Penang; restored by the Dutch during the Java War (20 September 1826 according to the Kraton; other sources give 17 August); died 3 January 1828 |
| Hamengku Buwono III | 1810–1811, 1812–1814 | Installed twice by the colonial powers; father of Prince Diponegoro |
| Hamengku Buwono IV | 1814–1822/23 | Crowned on 9 November 1814 at the age of ten; died on 6 December 1823 according to the Kraton, 1822 according to the historian Peter Carey |
| Hamengku Buwono V | 1822/23–1826, 1828–1855 | Became sultan at about three years old; set aside while HB II was restored (1826–1828); died 5 June 1855 |
| Hamengku Buwono VI | 1855–1877 | Brother of HB V; crowned 5 July 1855 |
| Hamengku Buwono VII | 1877–1921 | Acceded on 13 August 1877; nicknamed Sultan Sugih, "the rich sultan"; seventeen sugar mills operated in the sultanate in his reign; abdicated in 1921 |
| Hamengku Buwono VIII | 1921–1939 | Crowned 8 February 1921; died 22 October 1939 |
| Hamengku Buwono IX | 1940–1988 | Crowned 18 March 1940; took Yogyakarta into the Republic; Vice-President of Indonesia 1973–1978; died 2 October 1988 |
| Hamengku Buwono X | since 1989 | Crowned 7 March 1989; the first sultan not to sign a political contract with a colonial government; governor of the Special Region since 1998; since 2015 styles himself Hamengku Bawono Ka 10 within the court |
How did Yogyakarta fare under the Dutch and the British?
Under the VOC, Yogyakarta was a dependent but largely self-governing court. Things changed after the Netherlands fell under French control. Herman Willem Daendels became governor-general on 14 January 1808 and demanded that the Javanese kings treat the Dutch as overlords rather than allies. Hamengku Buwono II resisted. In December 1810 Daendels marched on Yogyakarta with 3,300 troops and forced him to step down on 31 December in favour of his son, Hamengku Buwono III.
When the British took Java in 1811, Hamengku Buwono II took his throne back. Relations with the new Lieutenant-Governor, Thomas Stamford Raffles, soon broke down. On 20 June 1812 British and Indian sepoy troops stormed the Kraton, an event remembered in Java as the geger sepehi, the "sepoy upheaval". The palace was occupied and its treasure and "thousands of Javanese literary works" were looted. The sultan was exiled to Penang, and Hamengku Buwono III was reinstated the next day (Kraton Yogyakarta). Many of the looted manuscripts are now in the British Library. After a digitisation project, digital copies of 75 Yogyakarta manuscripts were presented to the Kraton in 2019 (The Jakarta Post, 9 May 2019). The originals remain in London.

The British also cut the sultanate down to size. Yogyakarta had to give up Kedu, half of Pacitan, Japan, Jipang and Grobogan in return for 100,000 reals a year. Four thousand households in Adikarto (southern Kulon Progo) and part of the capital were granted to Prince Notokusumo, a son of Hamengku Buwono I who had helped the British. The British made him Paku Alam I in June 1812, and on 17 March 1813 the separate princely house of the Kadipaten Pakualaman was established.
What was the Java War?
The Java War (1825–1830) was the greatest uprising against Dutch rule in nineteenth-century Java. It was led by Prince Diponegoro, the eldest son of Hamengku Buwono III, who had withdrawn from court to his estate at Tegalrejo to study religion. Grievances had piled up:
- the leasing of royal lands to Europeans and Chinese, which undermined Javanese rights to the land;
- tax farming and abuses of labour services;
- cholera and harvest failure in the early 1820s;
- court intrigue, and the conduct of the Dutch Resident.
The trigger, in 1825, was a road survey through Diponegoro's own property at Tegalrejo (Encyclopedia of Western Colonialism since 1450).
The war cost more than 200,000 Javanese lives. The Dutch lost more than 8,000 European and 7,000 local soldiers and spent at least twenty million guilders. During it, the Dutch brought the aged Hamengku Buwono II back to the throne on 20 September 1826, hoping he would rally the nobility; he died in January 1828. General De Kock finally hemmed Diponegoro's forces into the hills between the Progo and Bogowonto rivers. Diponegoro came to the Resident's house at Magelang to negotiate, and was arrested there on Sunday 28 March 1830. He was exiled to Manado and then Makassar, where he died on 8 January 1855. In Raden Saleh's famous painting of 1857, the arrest is shown as a betrayal.

The defeat ended the independent power of the Javanese courts. In the words of the Encyclopedia of Western Colonialism, it "placed the Javanese solely and definitively under colonial control". Yogyakarta and Surakarta kept their capitals and core lands, but the Dutch took their outer provinces (mancanagara), including Banyumas, Bagelen, Kediri and Madiun. A treaty signed at Klaten on 27 September 1830, which Hamengku Buwono V signed on 24 October, fixed the border between the two courts. Pajang and Sukowati went to the Susuhunan, and Mataram and Gunung Kidul to the sultan. The sultanate was reduced to roughly the territory of today's Special Region.
How did the sultanate change in the colonial era?
For the next century Yogyakarta was a princely state (vorstenland) within the Dutch East Indies. Each new sultan had to sign a political contract with the colonial government before his coronation. The court remained a centre of Javanese culture. Hamengku Buwono V promoted wayang orang, dance-drama based on the wayang repertoire. Under Hamengku Buwono VII the sugar industry boomed: seventeen sugar mills, owned by the sultanate, private firms and the Dutch, operated in the sultanate. The Tugu monument north of the Kraton, wrecked by an earthquake in 1867, was rebuilt in his reign.
Hamengku Buwono IX, born Dorojatun in 1912, was raised from the age of four in a Dutch family. He studied in the Netherlands, including at Leiden, until his father recalled him in 1939. Before his coronation he spent months negotiating the political contract with the Dutch representative, Lucien Adam, before signing the 59-article document on 12 March 1940. At his coronation on 18 March 1940 he declared, in the words remembered by the Kraton: "Saya memang berpendidikan barat tapi pertama-tama saya tetap orang Jawa" ("I have had a Western education, but first and foremost I remain a Javanese"). The speech was given in Dutch, and a plaque in the Hamengku Buwono IX museum gives the original as "Al heb ik een uitgesproken westerse opvoeding gehad, toch ben en blijf ik in de allereerste plaats Javaan".

What did Yogyakarta do in the Indonesian Revolution?
Yogyakarta became one of the pillars of the new Republic of Indonesia. Two days after Sukarno and Hatta proclaimed independence on 17 August 1945, Hamengku Buwono IX sent them a telegram of congratulations. On 5 September 1945 he and Paku Alam VIII issued parallel amanat (proclamations). The sultan's begins: "Bahwa Negeri Ngajogjakarta Hadiningrat jang bersifat keradjaan adalah daerah istimewa dari Negara Republik Indonesia" ("That the State of Ngayogyakarta Hadiningrat, being a kingdom, is a special region of the Republic of Indonesia"). It adds that he held all governing authority there and answered directly to the President (Berita RI, year II, nos. 4–5).
When the Dutch returned to Jakarta, the sultan offered Yogyakarta as the Republic's capital. President Sukarno and Vice-President Hatta moved there on 4 January 1946, and the city served as the capital until 1949. According to the Kraton, during these years the palace treasury paid salaries of the President, Vice-President and their staff, the army's running costs, and the travel of diplomatic delegations abroad. After the Dutch seized Yogyakarta in December 1948, the sultan refused to cooperate with them. The Republican attack that held the city for several hours on 1 March 1949 (Serangan Umum 1 Maret) became a point of dispute. New Order accounts credited Lieutenant-Colonel Suharto with the idea. Presidential Decree No. 2 of 2022, which made 1 March a national day, states that it was "digagas oleh Sri Sultan Hamengku Buwono IX" (initiated by Hamengku Buwono IX) and does not name Suharto. Historians still acknowledge Suharto's role as field commander.
Hamengku Buwono IX went on to serve the Republic for four decades. He was a minister of state from 1946, minister of defence in 1949–1950 and deputy prime minister in 1950–1951. In 1973 he became Indonesia's second Vice-President, resigning on 23 March 1978. He was also the head of the Indonesian scout movement. He died on 2 October 1988 at George Washington University Medical Center in the United States and was buried at the royal cemetery of Imogiri.
Why is Yogyakarta a Special Region?
In recognition of 1945, Yogyakarta became a Special Region (Daerah Istimewa) under Law No. 3 of 1950, with the sultan and the Paku Alam at its head. Its exact status was left vague for decades. In 2010 a dispute with the national government over whether the governor should be elected kept the question open.
It was settled by Law No. 13 of 2012 on the Privileges of the Special Region of Yogyakarta, enacted on 31 August 2012. Its Article 18(1)(c) requires that a candidate for governor be "bertakhta sebagai Sultan Hamengku Buwono" (enthroned as Sultan Hamengku Buwono), and a candidate for vice-governor "bertakhta sebagai Adipati Paku Alam". Under Article 25 they serve five-year terms but are not bound by the two-term limit that applies to other governors. In other words, the sultan is governor for as long as he reigns. Hamengku Buwono X has been governor since 1998. President Joko Widodo inaugurated him and Paku Alam X for the 2022–2027 term on 10 October 2022, his seventh term in office (Suara Surabaya). The law also has a chapter on land, confirming the rights of the sultanate and the Pakualaman over their estates, known locally as Sultan Ground and Pakualaman Ground.
Land remains contentious. A 1975 instruction by the deputy head of the region (No. K.898/I/A/1975 of 5 March 1975) bars Indonesian citizens of "non-indigenous" descent, chiefly Chinese Indonesians, from holding freehold title to land in Yogyakarta. Court challenges, including a civil suit in 2018, have not overturned it. In February 2018 the regional office of the national Ombudsman said that it "tidak bisa dijadikan dasar untuk menolak" (cannot be used as grounds to refuse) land certificates to citizens of Chinese descent.
Who will succeed Hamengku Buwono X?
Hamengku Buwono X has five daughters and no sons. In 2015 he issued two royal decrees (sabdaraja and dhawuh raja). The first, on 30 April 2015, changed his title, dropping "Khalifatullah" and replacing "Buwono" with "Bawono", a form that, unlike the old title, can also suit a woman. The second, on 5 May 2015, renamed his eldest daughter, GKR Pembayun (born 1972), as GKR Mangkubumi and named her crown princess. Several of the sultan's brothers rejected the decrees as contrary to the court's rules of succession (paugeran). His half-brother, Prince Yudhaningrat, called the decision "unacceptable" (The Jakarta Post, 7 May 2015).
The law also had to change for a woman to become governor. Article 18(1)(m) of the 2012 law required candidates to submit a CV listing, among other things, their "istri" (wife). On 31 August 2017 the Constitutional Court struck out that wording (Decision No. 88/PUU-XIV/2016), opening the governorship to a woman (Hukumonline). The succession inside the Kraton remains disputed.
What is the Kraton of Yogyakarta?
The Kraton is the sultan's palace and the ceremonial centre of the sultanate. It is a complex of pavilions (bangsal), courtyards and gates laid out on a north–south line. The public Pagelaran and Sitihinggil face the northern square (Alun-alun Lor), and the sultan's private residence lies behind. Royal regalia, gamelan sets and heirlooms are kept and ritually cared for there. Court retainers (abdi dalem) still serve, and the court maintains its own guard regiments and ceremonies. These include the Garebeg processions and Sekaten, the celebration of the Prophet's birthday. The court is also known for its classical dance. Hamengku Buwono I set out the principles of the Mataram dance style (Joged Mataram): nyawiji (total concentration), greget (spirit), sengguh (self-confidence) and ora mingguh (full responsibility).

The Kraton sits on a wider plan. On 18 September 2023 UNESCO inscribed "The Cosmological Axis of Yogyakarta and its Historic Landmarks" on the World Heritage List, at its 45th session in Riyadh. The property runs along a six-kilometre south–north axis through central Yogyakarta, from the Panggung Krapyak in the south through the Kraton to the Tugu in the north, symbolically linking Mount Merapi with the Indian Ocean. UNESCO accepted it under criteria (ii) and (iii) as "an exceptional testimony to Javanese civilisation and culture" and noted that the Kraton's location was chosen "by Sultan Mangkubumi in 1755". The property covers 42.22 hectares, with a buffer zone of 291.17 hectares.

Common myths about the Sultanate of Yogyakarta
| Claim | What the evidence shows |
|---|---|
| "Yogyakarta and Surakarta are the same court." | They are two separate monarchies created by the same treaty in 1755, with different traditions agreed at Jatisari. Surakarta's ruler is the Susuhunan (Paku Buwono), Yogyakarta's the Sultan (Hamengku Buwono). |
| "The sultan is a figurehead." | By Law No. 13 of 2012, the reigning sultan is governor of the Special Region of Yogyakarta, with real executive powers and no term limit. |
| "Yogyakarta was never colonised." | It kept its throne, but it was a dependent princely state. The British stormed and looted the Kraton in 1812, and the Dutch controlled it, especially after 1830. |
| "Yogyakarta is (or was) the capital of Indonesia." | It was the Republic's capital only during the revolution, from January 1946 to 1949. Jakarta has been the capital since. |
| "Yogyakarta was founded in 1744." | The sultanate dates from 1755. Our map draws it from 1744 only because the border data for the region begins then. |
| "The British returned the looted manuscripts." | Only digital copies were presented, in 2019. The originals taken in 1812 remain in the British Library. |
| "The 2015 decrees settled the succession." | They did not. The sultan's brothers rejected them, and the question remains open inside the court. |
Timeline of the Sultanate of Yogyakarta
| Date | Event |
|---|---|
| 1746 | Prince Mangkubumi rises against the VOC and the Mataram court |
| 13 Feb 1755 | Treaty of Giyanti divides Mataram between Surakarta and Yogyakarta |
| 15 Feb 1755 | Jatisari meeting settles the cultural differences between the two courts |
| 13 Mar 1755 | Mangkubumi proclaimed and crowned as Hamengku Buwono I |
| 7 Oct 1756 | The sultan moves into the new Kraton |
| 1757 | Treaty of Salatiga recognises the Mangkunegaran |
| 1758–1765 | Taman Sari water palace built |
| 26 Apr 1774 | Treaty of Semarang fixes boundaries with Surakarta |
| 31 Dec 1810 | Daendels forces Hamengku Buwono II to step down |
| 20 Jun 1812 | British and sepoy troops storm and loot the Kraton |
| 17 Mar 1813 | Pakualaman founded under Paku Alam I |
| 1825–1830 | Java War led by Prince Diponegoro |
| 28 Mar 1830 | Diponegoro arrested at Magelang |
| 27 Sep 1830 | Treaty of Klaten fixes the borders; the outer provinces pass to the Dutch |
| 1867 | Earthquake damages Taman Sari and the Tugu |
| 18 Mar 1940 | Hamengku Buwono IX crowned |
| 5 Sep 1945 | Hamengku Buwono IX and Paku Alam VIII declare Yogyakarta part of the Republic |
| 4 Jan 1946 | Yogyakarta becomes the Republic's capital (to 1949) |
| 19 Dec 1948 | Dutch forces seize Yogyakarta |
| 1 Mar 1949 | General Offensive on Dutch-occupied Yogyakarta |
| 1950 | Law No. 3 of 1950 creates the Special Region |
| 1973–1978 | Hamengku Buwono IX Vice-President of Indonesia |
| 7 Mar 1989 | Hamengku Buwono X crowned |
| 1998 | Hamengku Buwono X becomes governor |
| 31 Aug 2012 | Law No. 13 of 2012 on the Privileges of Yogyakarta |
| 30 Apr & 5 May 2015 | Sabdaraja: title change and naming of GKR Mangkubumi as crown princess |
| 31 Aug 2017 | Constitutional Court opens the governorship to women |
| 18 Sep 2023 | Cosmological Axis of Yogyakarta inscribed as a World Heritage site |
What the map shows next
On our map the sultanate is drawn from 1744 to 1829, together with Surakarta. The start reflects where the border data begins, not the founding, which was in 1755. At 1787 on the map the two halves of Mataram sit side by side under the VOC. From 1830, after the Java War, the region is drawn as part of the Dutch East Indies, and from 1946 as part of the Republic of Indonesia.
Common questions
- Who is the Sultan of Yogyakarta now?
- Sri Sultan Hamengku Buwono X, who has reigned since 7 March 1989 and has been governor of the Special Region of Yogyakarta since 1998. Within the court he has styled himself Hamengku Bawono Ka 10 since 2015.
- Does Yogyakarta still have a king?
- Yes. The Sultanate of Yogyakarta is a living monarchy inside the Republic of Indonesia. By law the reigning sultan is also the region's governor.
- Is the Sultan of Yogyakarta elected?
- No. Law No. 13 of 2012 requires the governor to be the enthroned Sultan Hamengku Buwono, and the regional parliament formally confirms him rather than holding an election. He serves five-year terms without the two-term limit that applies elsewhere in Indonesia.
- Who will be the next Sultan of Yogyakarta?
- That is disputed. Hamengku Buwono X has no sons and in 2015 named his eldest daughter, GKR Mangkubumi, crown princess. Some of his brothers reject this. A 2017 Constitutional Court ruling removed the legal obstacle to a woman becoming governor.
- When was the Sultanate of Yogyakarta founded?
- In 1755. The Treaty of Giyanti was signed on 13 February 1755, and Prince Mangkubumi was proclaimed Sultan Hamengku Buwono I on 13 March 1755.
- What is the difference between Yogyakarta and Surakarta?
- Both were carved out of Mataram by the Treaty of Giyanti. Surakarta (Solo) is ruled by the Susuhunan Paku Buwono and Yogyakarta by the Sultan Hamengku Buwono. Only Yogyakarta kept a special political status after independence.
- Why is Yogyakarta a Special Region?
- Because Hamengku Buwono IX and Paku Alam VIII joined the Republic on 5 September 1945 and supported it during the revolution, when Yogyakarta was the capital. Its status rests on Law No. 3 of 1950 and Law No. 13 of 2012.
- What happened in 1812?
- On 20 June 1812 British and Indian troops under Raffles's government stormed the Kraton, looted its treasury and manuscripts, and exiled Hamengku Buwono II. Many of the manuscripts are now in the British Library.
- Who was Prince Diponegoro?
- The eldest son of Hamengku Buwono III, who led the Java War against the Dutch from 1825 to 1830. He was arrested at Magelang on 28 March 1830 and died in exile in Makassar in 1855.
- Can non-Javanese own land in Yogyakarta?
- Indonesian citizens generally can, but a 1975 instruction of the regional government bars citizens classed as non-indigenous, chiefly Chinese Indonesians, from holding freehold title. The rule has been challenged in court and criticised by the national Ombudsman.
Sources
Every source below was consulted while writing this entry.
Primary and official sources
- Kraton Ngayogyakarta Hadiningrat, "Cikal Bakal" (founding chronology) and "Raja-raja yang Bertakhta" (official biographies of Hamengku Buwono I–IX), kratonjogja.id.
- Undang-Undang Republik Indonesia Nomor 13 Tahun 2012 tentang Keistimewaan Daerah Istimewa Yogyakarta (enacted 31 August 2012), Articles 18 and 25. JDIH BPK, peraturan.bpk.go.id; text via pasal.id.
- Mahkamah Konstitusi, Decision No. 88/PUU-XIV/2016 (31 August 2017), as reported by Hukumonline, "MK: Perempuan Boleh Jadi Gubernur Yogyakarta".
- Instruksi Wakil Kepala Daerah DIY No. K.898/I/A/1975 (5 March 1975), as cited by Tirto.id (6 February 2018) and Ombudsman RI Perwakilan DIY (19 February 2018).
- UNESCO World Heritage Centre, "The Cosmological Axis of Yogyakarta and its Historic Landmarks" (no. 1671, inscribed 2023).
Scholarship and reference works
- M. C. Ricklefs, Jogjakarta under Sultan Mangkubumi, 1749–1792: A History of the Division of Java (London: Oxford University Press, 1974).
- M. C. Ricklefs, A History of Modern Indonesia since c. 1200, 4th ed. (Basingstoke: Palgrave Macmillan, 2008).
- Peter Carey, The Power of Prophecy: Prince Dipanagara and the End of an Old Order in Java, 1785–1855 (Leiden: KITLV Press, 2007).
- Selo Soemardjan, Social Changes in Jogjakarta (Ithaca: Cornell University Press, 1962).
- "Java War (1825–1830)", Encyclopedia of Western Colonialism since 1450 (Gale, 2007), via Encyclopedia.com.
- World Monuments Fund, "Tamansari Water Castle".
News and other sources
- The Jakarta Post, "Sultan names eldest daughter crown princess" (6 May 2015) and "Royal family rejects Sultan's choice of heir" (7 May 2015).
- The Jakarta Post, "Yogyakarta Palace recovers centuries-old manuscripts" (9 May 2019).
- Tempo, "UNESCO Names Yogyakarta's Historical Axis a World Heritage" (September 2023).
- Suara Surabaya, "Presiden lantik Sultan Hamengkubuwono X sebagai Gubernur DIY periode 2022–2027" (10 October 2022).
- detikJogja, "Peran Jogja dalam Kemerdekaan Indonesia".
Data sources for the map
- Border data: Cliopatria v0.12, Seshat Global History Databank (CC BY 4.0).
- Historical Basemaps (GPL-3.0).
This entry was written from the sources above and last updated .
Text available under CC BY-SA 4.0: reuse it with a credit to The World Through Time and a link to this page.
Border geometry for the map itself comes from Cliopatria v0.12 (Seshat Global History Databank, CC-BY-4.0).
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