Former unitary authority districts of England

Bournemouth ( ) is a coastal resort town in the Bournemouth, Christchurch and Poole unitary authority area, in the ceremonial county of Dorset, on the south coast of England. At the 2021 census, the built-up area had a population of 196,455, making it the largest town in Dorset.

Poole () is a coastal town and seaport on the south coast of England in the Bournemouth, Christchurch and Poole unitary authority area in Dorset, England. The town is east of Dorchester and adjoins Bournemouth to the east. Since 1 April 2019, the local authority is Bournemouth, Christchurch and Poole Council. The town had an estimated population of 151,500 (mid-2016 census estimates) making it the second-largest town in the ceremonial county of Dorset. Together with Bournemouth and Christchurch, the conurbation has a total population of 400,196 as of the 2021 census.