Tanjung Selor is the capital of both the North Kalimantan province in Indonesia, and of the Bulungan Regency.

[1] Tanjung Selor was a small market town under the Sultanate of Bulungan, which later became the subject of the Dutch East Indies.

After the Indonesian National Revolution, it became part of the Swapraja (Autonomous Royal Region) of Bulungan following Decree No.

As such, Tanjung Selor is among few Indonesian provincial capitals to be created from scratch, along with Sofifi and Palangka Raya.

However, for financial reasons a moratorium under President Joko Widodo on creating second-level administrations so far has prevented granting Tanjung Selor city status.

[7][8] The district is mostly a flat, low-lying region with hills whose height varies from 0 to 500 meters above sea level.

[9][10] Tanjung Selor has a tropical rainforest climate (Köppen Af) with heavy rainfall year-round.

A district head(camat) is appointed directly by the regent with recommendation from the regency secretary.