Surakarta, known colloquially as Solo, is a major city in Central Java, Indonesia. The 46.72 km2 city adjoins Karanganyar Regency and Boyolali Regency to the north, Karanganyar Regency and Sukoharjo Regency to the east and west, and Sukoharjo Regency to the south. On the eastern side of Solo lies Solo River. Its metropolitan area, consisting of Surakarta City and 59 districts spread over seven regencies, was home to 3,649,254 inhabitants as at the 2010 census, around half million of whom reside in the city proper.
Surakarta is the birthplace of the current President of Indonesia, Joko Widodo. He served as Mayor of Surakarta from 2005 to 2012.
Wikipedia https://en.wikipedia.org/wiki/Surakarta
Coordinates -7°34'9.296" N 110°49'42.413" E