Hamengkubuwono (Javanese: ꦲꦩꦼꦁꦑꦸꦨꦮꦟ) is the current ruling royal house of the Yogyakarta Sultanate in the Special Region of Yogyakarta of Indonesia. The reigning Sultan of Yogyakarta is the hereditary Governor of the Special Region (Act No. 13 of 2012, article 18 paragraph 1c) with terms of 5 years (article 25 paragraph 1) without bounded by periodic provision (article 25 paragraph 2), as normally applied to such public office. The current Sultan is Hamengkubuwono X.