Regency · Kalimantan Timur
1/12Mahakam Ulu
Mahakam Ulu Regency (lit. 'Upper Mahakam') is a regency (kabupaten) in the province of East Kalimantan, Indonesia. As the name implies, it comprises the upper valley of the Mahakam River. It covers a land area of 15,314.8 km2. The regency was established on 14