[1] The administrative seat of the regency is located at the town of Rengat.

The regency is divided into fourteen districts (kecamatan), listed below with their areas and their populations at the 2010 census[2] and the 2020 census,[3] 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 178 rural desa and 16 urban kelurahan), and its post code.

Notes: (a) including 2 kelurahan - Baturijal Hilir and Peranap.

(d) including 5 kelurahan - Air Molek I, Kembang Harum, Sekar Mawar, Tanah Merah and Tanjung Gading.