Pangkalan Bun is the capital city of West Kotawaringin Regency, located in the Central Kalimantan Province on the island of Borneo, Indonesia. It serves as the administrative headquarters for the South Arut District.
The city consists of an agglomeration of seven urban villages (kelurahan) and one nominally rural village (desa). As of mid-2024, the combined population of these areas is 108,814.