Original sentence: Brentford is a suburban area and county town of Middlesex at the confluence of the River Thames and the River Brent, situated 8 miles (12.9 km) west south-west of Charing Cross
Edited sentence: Brentford is a suburban area of the London Borough of Hounslow at the confluence of the River Thames and the River Brent in West London, situated 8 miles (12.9 km) west south-west of Charing Cross