Gunungkidul Regency is a regency in the southeast part of the province of Yogyakarta Special Region, Indonesia. It is located on the island of Java. The regency (the name of which means South Mountains in Javanese) is bordered by the Sleman Regency to the north west, Bantul Regency to the west, the Indian Ocean to the south, Wonogiri Regency to the east and Klaten Regency to the north. It covers an area of 1,485.36 km2 and had a population of 675,382 at the 2010 Census; the most recent official estimate (for mid 2018) is 736 ,210.