🇮🇩 Sinjai Regency

Sinjai Regency is a regency of the South Sulawesi province of Indonesia. The regency, which is separated from the Bone Regency to its north by the River Tangka, covers an area of 819.96 km2. It had a population of 228,936 at the 2010 census and 259,478 at the 2020 census. The official estimate of population as of mid 2025 was 278,527. It includes the Nine Islands in the Gulf of Bone off the east coast of the southern peninsula of Sulawesi; this archipelago forms an administrative district within the regency. The regency's principal town lies at Sinjai, a port situated on the east coast of that peninsula.