🇮🇩 Wonogiri Regency

Wonogiri Regency is a regency in the southeastern part of Central Java province in Indonesia. It is bordered to the north by Sukoharjo Regency and Karanganyar Regency, to the east by East Java Province, to the south by the Indian Ocean, and to the west by the Special Region of Yogyakarta. It covers an area of 1,905.75 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 2025 was 1,057,045. The capital and largest town is Wonogiri, around 33 km southeast of the large Central Java metropolis of Surakarta. The regency includes the large Gajah Mungkur Reservoir in the upper reaches of the Solo River, with a surface area of 88 km2.