Bournemouth is a coastal resort town on the south coast in the Bournemouth, Christchurch and Poole unitary authority area in the ceremonial county of Dorset, England. The town's urban subdivision had a population of 187,503 at the 2011 census making it the largest town in the county; the town is part of the South East Dorset conurbation, which has a population of 465,000.

Dorset is a ceremonial county in South West England. It is bordered by Somerset to the north-west, Wiltshire to the north and the north-east, Hampshire to the east, the Isle of Wight across the Solent to the south-east, the English Channel to the south, and Devon to the west. The largest settlement is Bournemouth, and the county town is Dorchester.