As originally created, it covered a much larger share (over 53%) of the land area of Lampung Province, but on 16 August 1991 its western districts were split off to create a new West Lampung Regency (at that time inclusive of the subsequently-separated West Pesisir Regency); on 3 January 1997 its north-eastern districts were split off to create a new Tulang Bawang Regency (at that time inclusive of the subsequently-separated Mesuji Regency and West Tulang Bawang Regency); and on 20 April 1999 its north-western districts were split off to create a new Way Kanan Regency.

Administratively the regency is divided into twenty-three districts (kecamatan), tabulated 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.

[4] North Lampung Regency, which used to be the largest district in Lampung, Based on Law no, 1 of 1945, during the independence of the Republic of Indonesia, North Lampung Regency was the administrative area of the Kewedanan Marga, On December 3, 1952 the system of Marga, 75 Marga and 11 Buay Indeling Residentie Lampung 1:750.000 Derukkrij 1930 was abolished, with the issuance of Resident Presiden No.

The first was the formation of West Lampung Regency on 16 August 1991, with its administrative capital at Liwa, Indonesia.

[5] The third separation was the formation of Way Kanan Regency on 20 April 1999; this creation was based on the Law of the Republik of Indonesia Number 12 of 1999.