Palangka Raya is the capital and largest city of the Indonesian province of Central Kalimantan. The city is situated between the Kahayan and the Sabangau rivers on the island of Borneo. As of the 2020 census, the city has a population of 293,500; the official estimate as at mid 2023 was 305,797. Palangka Raya is the largest city by land area in Indonesia ; however, most of the area is forested including protected forests, nature conservation areas, and Tangkiling Forest). It also has the highest Human Development Index rating of any city in Kalimantan.

Central Kalimantan is a province of Indonesia. It is one of five provinces in Kalimantan, the Indonesian part of Borneo. It is bordered by West Kalimantan to the west, South Kalimantan and East Kalimantan to the east, Java Sea to the south and is separated narrowly from North Kalimantan and Malaysia by East Kalimantan's Mahakam Ulu Regency. Its provincial capital is Palangka Raya and in 2010 its population was over 2.2 million, while the 2020 Census showed a total of almost 2.67 million; the official estimate as at mid 2023 was 2,774,747.