Greven (; Westphalian: Graiwen) is a medium-sized town in the district of Steinfurt, in Germany's most populous state of North Rhine-Westphalia and close to the city of Münster.
Greven is situated on the river Ems, approx. 25 km south-east of Rheine and 15 km north of Münster.
Greven consists of the following districts
Greven is home to North Rhine-Westphalia's fourth-largest airport Münster Osnabrück Airport (IATA code: FMO) transporting approx. 2.5 mil. passengers in 2009, but only 1.2 mil. in 2012 to destinations in Europe, Asia Minor, and North Africa.
The autobahn A1 from Heiligenhafen in Schleswig-Holstein to Saarbrücken passes near Greven, furthermore 2 bundesstrassen, B481 and B219.
The Dortmund-Ems Canal crosses through Greven and was lately enlarged to carry ships up to 2,000 tons.
Greven is twinned with: