South Sulawesi is a province in the southern peninsula of Sulawesi, Indonesia. The Selayar Islands archipelago to the south of Sulawesi is also part of the province. The capital and largest city is Makassar. The province is bordered by Central Sulawesi and West Sulawesi to the north, the Gulf of Bone and Southeast Sulawesi to the east, Makassar Strait to the west, and Flores Sea to the south.

Sulawesi, also known as Celebes, is an island in Indonesia. One of the four Greater Sunda Islands, and the world's 11th-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Archipelago. Within Indonesia, only Sumatra, Borneo, and Papua are larger in territory, and only Java and Sumatra are more populous.