Wasbek lies directly west of Neumünster. In the west, the park Aukrug borders the municipality. In the east runs the Federal Highway 7 from Hamburg to Flensburg through the village area and is on the Neumünster-Mitte exit. The Bundesstraße 430 from Lütjenburg to Schenefeld (Federal highway 23) runs from east to west through the municipality. The village is also connected to the Nordbahn, on the Neumünster–Heide rail line. The bus line 9 connects Wasbek and Wasbek-Bullenbek with Neumünster.