Wonogiri is a regency (kabupaten) in the southeastern part of Central Java province in Indonesia. It covers an area of 1,822.37 km², and its population according to the latest (January 2014) estimate is 940,297; its capital is Wonogiri.

Wonogiri Regency is divided into 25 administrative districts ( kecamatan), listed below with their populations at the 2010 Census:

Wonogiri Regency is an area of agriculture and plantation, so most of people in Wonogiri work as farmers. Generally, all areas of the regency produce much agriculture and plantation output. Casava, cacao, kacang mede 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'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 also has a dam called Gajah Mungkur Dam which has three main functions; as a power plant to produce electricity; to provide water for rice fields around Bengawan Solo River through irrigation programs; and for tourism.

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