samarinda citSamarinda, kota (city) and capital of East Kalimantan propinsi (or provinsi; province), Indonesia.On the island of Borneo, the city lies on the Mahakam River, about 30 miles (48Samarinda is in the southeast of East Kalimantan at the head of the Mahakam delta. It is the provincial capital and largest city of the province and is gateway to the Lower Mahakam River..