Southeast Sulawesi, is a province on the island of Sulawesi, forming the southeastern peninsula of that island, together with a number of substantial offshore islands such as Buton, Muna, Kabaena and Wawonii, together with many smaller islands. It is bordered by South Sulawesi and Central Sulawesi to the north, sharing a maritime border with Maluku and North Maluku to the east and East Nusa Tenggara to the south, as well a very narrow maritime border with East Timor to the south. The capital is the city of Kendari, on the east coast of the peninsula.

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.