Maidenhead is a market town in the Royal Borough of Windsor and Maidenhead in the county of Berkshire, England. It lies on the southwestern bank of the River Thames, which at this point forms the border with Buckinghamshire. In the 2021 Census, the Maidenhead built-up area had a population of 67,375. The town is situated 27 miles west of Charing Cross, London and 13 miles east-northeast of the county town of Reading.