Weymouth is a sea-side town and civil parish in the Dorset district, in the ceremonial county of Dorset, on the English Channel coast of England. Situated on a sheltered bay at the mouth of the River Wey, south of the county town of Dorchester, Weymouth had a population of 53,427 in 2021. It is the third-largest settlement in Dorset after Bournemouth and Poole. The greater Weymouth urban area has a population of 72,802.