Wonogiri Regency is a regency (kabupaten) in the southeastern part of Central Java province in Indonesia. It covers an area of 1,904.32 km2, and its population was 928,904 at the 2010 Census and 1,043,177 at the 2020 Census; the official estimate as at mid 2022 was 1,057,087 (comprising 527,651 males and 529,436 females). The capital and largest town is Wonogiri, around 33 km southeast of the large Central Java metropolis of Surakarta. Wonogiri Regency is divided into twenty-five administrative districts (Indonesian: kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as at mid 2022. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 251 rural desa and 43 urban kelurahan), and its post code. Notes: (a) Paranggupito District includes the whole of the Regency's sea coast (off the southern coast of Java). (b) Purwantoro District forms a salient stretching eastwards into East Java Province. Wonogiri Regency is an area of agriculture and plantation, so most of people in the regency work as farmers. Generally, all areas of the regency produce much agriculture and plantation output. Casava, cacao, and cashew are examples of the plantation output that are relatively good. Wonogiri also has many special foods. They include nasi tiwul, emping, bakso, mie ayam, gudangan, etc. Most of Wonogiri Regency's area is rocky and hilly due to its location on the Sewu highlands. Since these highlands are of the karst type, many caves can easily be found in Wonogiri Regency and at least 41 caves have been discovered so far starting with the famous Song Gilap cave, Song Putri cave at Pracimantoro, Ngantap cave, Putri Kencana cave at Giritontro and including many unnamed caves all over the regency. Wonogiri Regency also has a dam called Gajah Mungkur Dam which has three main functions; as a power plant to produce Hydroelectricity; to provide water for rice fields around Bengawan Solo River through irrigation programs; and for tourism.