Weymouth is a seaside town in Dorset, situated on a sheltered bay at the mouth of the River Wey. It is the third‑largest settlement in the county, with a population of 53,416 in 2021.
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DT3 4EF
District: DT 3
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Weymouth is a seaside town and civil parish in the Dorset district, in the ceremonial county of Dorset, England. Situated on a sheltered bay at the mouth of the River Wey, it lies 7 miles (11 km) south of the county town of Dorchester. The town had a population of 53,416 in 2021, making it the third‑largest settlement in Dorset after Bournemouth and Poole. As a coastal community, it offers access to a maritime setting within the broader Dorset district. The description highlights its character as a town in Dorset, England, and the summary provides context about its size, location, and geographical features. The postal district DT 3 situates it within the local postal area for practical reference.