Gainsborough is a market town, inland port and civil parish in the West Lindsey district of Lincolnshire, England. The population was 20,842 at the 2011 census, and estimated at 23,243 in 2019. It lies on the east bank of the River Trent, 18 miles (29 km) north-west of Lincoln, 16 miles (26 km) south-west of Scunthorpe, 20 miles south-east of Doncaster and 39 miles (63 km) east of Sheffield. It is England's furthest inland port at over 55 miles (89 km) from the North Sea.

Torksey is a small village in the West Lindsey district of Lincolnshire, England. The population of the civil parish at the 2011 census was 875. It is situated on the A156 road, 7 miles (11 km) south of Gainsborough and 9 miles (14 km) north-west of Lincoln, and on the eastern bank of the tidal River Trent, which here forms the boundary with Nottinghamshire.