West Kalimantan is a province of Indonesia. It is one of five Indonesian provinces comprising Kalimantan, the Indonesian part of the island of Borneo. Its capital city is Pontianak. The province has an area of 147,307 km2, and had a population of 4,395,983 at the 2010 Census and 5,414,390 at the 2020 Census. Ethnic groups include the Dayak, Malay, Chinese, Javanese, Bugis, and Madurese. The borders of West Kalimantan roughly trace the mountain ranges surrounding the vast watershed of the Kapuas River, which drains most of the province. The province shares land borders with Central Kalimantan to the southeast, East Kalimantan to the east, and the Malaysian territory of Sarawak to the north.
West Kalimantan is an area that could be dubbed "The Province of a Thousand Rivers". The nickname is aligned with the geographical conditions that have hundreds of large and small rivers that which can be and often are navigable. Several major rivers are still the main route for freight to the hinterland, despite road infrastructure now reaching most districts