Immingham is a town and civil parish in North East Lincolnshire, in Lincolnshire, England. It is situated on the south-west bank of the Humber Estuary, and is six miles northwest of Grimsby.

Lincolnshire is a ceremonial county in the East Midlands and Yorkshire and the Humber regions of England. It is bordered by the East Riding of Yorkshire across the Humber estuary to the north, the North Sea to the east, Norfolk, Cambridgeshire, Northamptonshire and Rutland to the south, and Leicestershire, Nottinghamshire and South Yorkshire to the west. The county town is the city of Lincoln. Lincolnshire is the second largest county in England after North Yorkshire.