East Kalimantan is a province of Indonesia. Its territory comprises the eastern portion of Borneo. It had a population of about 3.03 million at the 2010 census, 3.42 million at the 2015 census, and 3.766 million at the 2020 census; the official estimate as at mid 2023 was 4,030,488. Its capital is the city of Samarinda.
One of the oldest known figurative paintings, a depiction of a bull, was discovered in the Lubang Jeriji Saléh cave dated as over 40,000 (perhaps as old as 52,000) years old.
The ancient Yūpa inscription of Mulavarman, king of Kutai Martadipura dating back to the 4th century CE discovered in present Muara Kaman area, Kutai Kartanegara Regency
East Kalimantan Governor Office
Logging road in East Kalimantan: logged forest on the left, primary forest on the right
Borneo is the third-largest island in the world, with an area of 748,168 km2 (288,869 sq mi). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda Islands, located north of Java, west of Sulawesi, and east of Sumatra.
Rich marine life off the coast of Borneo, in the Sulu Sea
Lake Sentarum, Kapuas Hulu Regency, West Kalimantan
The critically endangered Bornean orangutan, a great ape endemic to Borneo
NASA satellite image of Borneo on 19 May 2002