Claim: Sukoharjo Regency, surrounded by Karanganyar Regency, Wonogiri Regency, Yogyakarta Regency, and Klaten Regency—the most populated of all with 1,174,986 residents, has an estimated population of 891,912.
Evidence: This regency is bordered by the city of Surakarta in the north, Karanganyar Regency in the east, Wonogiri Regency and Yogyakarta in the south as well as Klaten Regency in the west. 
1,174,986 
891,912