Paser Regency

Paser Regency is the southernmost regency (kabupaten) within the East Kalimantan province of Indonesia. It was created in 1959, originally spelt "Pasir Regency" (Kabupaten Pasir), but renamed "Paser" in 2007; however its northeastern districts were split off on 10 April 2002 to form the new Penajam North Paser Regency. The residual regency covers an area of 11,603.94 km2, and it had a population of 230,316 at the 2010 Census and 275,452 at the 2020 Census; the official estimate as at mid-2023 was 303,424 (comprising 156,903 males and 146,521 females). Its administrative centre is the town of Tana Paser (or Tanah Grogot).

Boundaries

 * North : West Kutai Regency and Penajam North Paser Regency
 * East : Makassar Strait
 * South : Kota Baru Regency
 * West : Balangan Regency, Tabalong Regency, and North Barito Regency

Administrative districts
Following the separation of the districts in the northeast to form the new Penajam North Paser Regency on 10 April 2002, the residual Paser Regency is now divided into ten districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as of mid-2023. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totalling 5 urban kelurahan and 139 rural desa), and its postal codes.

Note: (a) including the offshore islands of Pulau Batukapal, Pulau Burung and Pulau Merayap. (b) including the offshore islands of Pulau Rantau Besar and Pulau Rantau Kecil ("Great and Little Rantau Islands"). (c) includes one urban kelurahan - the district admin centre (the rest being desa). (d) including the offshore island of Pulau Bansik.

Climate
Tana Paser has a tropical rainforest climate (Af) with moderate rainfall in August and September and heavy to very heavy rainfall in the remaining months.