The Yogyakarta Sultanate is a traditional monarchy located in the city of Yogyakarta, Indonesia. Established in 1755, it was founded by Sultan Hamengkubuwono I after the Treaty of Giyanti, which divided the Mataram Sultanate. The sultanate plays a significant role in the cultural and political landscape of Indonesia, preserving Javanese traditions and customs. The sultanate is known for its rich cultural heritage, including traditional arts, music, and dance. The current ruler, Sultan Hamengkubuwono X, continues to uphold the sultanate's influence in both local governance and cultural preservation, making Yogyakarta a center for Javanese culture and history.