Pangkalan Bun is the capital of West Kotawaringin Regency in Central Kalimantan Province, on Borneo, Indonesia.

The seven kelurahan (towns) of the District have a land area of 652 km2 and a population of 91,490 according to the official estimates for mid 2023; in addition to these, Pasir Panjang (which is technically classed as a village, but is an urbanised part of the agglomeration) has a further 14,024 inhabitants in 2023.

[3] Birutė Galdikas established her base, Camp Leakey, for the study and conservation of orangutans about 48 kilometres (30 mi) from Pangkalan Bun up the Sekonyer River.

Its facilities, supported by the Orangutan Foundation International, are a part of the Tanjung Puting National Park.

[6] After a reception in Pangkalan Bun, the plan was to return the bodies of the people who died to their families, mostly in Surabaya in East Java where Flight QZ 8501 originated from.