Yogyakarta (English: ; Javanese: ꦔꦪꦺꦴꦒꦾꦏꦂꦠ Ngayogyakarta [ŋɑːˈjɔɡjɔˈkɑːrtɔ]; Petjo: Jogjakarta) is the capital city of Special Region of Yogyakarta in Indonesia, in the south-central part of the island of Java. As the only Indonesian royal city still ruled by a monarchy, Yogyakarta is regarded as an important centre for classical Javanese fine arts and culture such as ballet, batik textiles, drama, literature, music, poetry, silversmithing, visual arts, and wayang puppetry. Renowned as a centre of Indonesian education, Yogyakarta is home to a large student population and dozens of schools and universities, including Gadjah Mada University, the country's largest institute of higher education and one of its most prestigious.

Yogyakarta is the capital of the Yogyakarta Sultanate and served as the Indonesian capital from 1946 to 1948 during the Indonesian National Revolution, with Gedung Agung as the president's office. One of the districts in southeastern Yogyakarta, Kotagede, was the capital of the Mataram Sultanate between 1587 and 1613.

The city's population was 388,627 at the 2010 Census, and 373,589 at the 2020 Census. Its metropolitan area was home to 4,010,436 inhabitants in 2010, which includes the city of Magelang and 65 districts across Sleman, Klaten, Bantul, Kulon Progo and Magelang Regency. Yogyakarta has one of the highest HDI (Human Development Index) in Indonesia.