wiki). Yogyakarta Sultanate (Indonesian: Kesultanan Yogyakarta; Javanese: Kasultanan/Keraton Ngayogyakerto Hadiningrat) is a Javanese monarchy in the province of Yogyakarta, Indonesia. Here is more info on the Sultanate.
Yogyakarta (English: /?j?gj?'k?rt?/ or /?jo?gj?'k?rt?/, Malay: [j?gja'karta]; also Jogja, Jogjakarta) is a city in the Yogyakarta Special Region, Indonesia. It is renowned as a centre of classical Javanese fine art and culture such as batik, ballet, drama, music, poetry, and puppet shows. Yogyakarta was the Indonesian capital during the Indonesian National Revolution from 1945 to 1949. More on Wiki.
Java is the world's most densely populated island (population: 136 million). It is home to 60% of Indonesia's population. Much of Indonesian history took place on Java; it was the centre of powerful Hindu-Buddhist empires, Islamic sultanates, the core of the colonial Dutch East Indies, and was at the centre of Indonesia's campaign for independence. The island dominates Indonesian social, political and economic life. More information on wikipedia.">