The town of Talang Ubi is the administrative centre of this regency.

[3] These five districts had a combined area of 1,840.00 km2 and a population of 165,474 at the 2010 Census[4] and 194,900 at the 2020 Census;[5] the official estimate as at mid 2023 was 209,771 (comprising 106,277 males and 103,494 females).

[1] Penukal Abab Lematang Ilir Regency is composed of the following five districts (kecamatan), listed below with their areas and populations at the 2010 Census[4] and 2020 Census,[5] together with the official estimates as at mid 2023.

[1] The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 65 rural desa and 6 urban kelurahan), and its postal code.

(c) 17 villages within the district share the postcode of 31214 (including Talang Ubi Utara); the others are Talang Ubi Barat (with postcode of 31211), Talang Ubi Selatan (with postcode of 31212) and Talang Ubi Timur (with postcode of 31213).