Sainte-Catherine -Waver is a Belgian municipality located in the Flemish region with 20,349 inhabitants (as of January 1, 2012). It is located south of the river Nete and comprises the main town and the village of Onze Lieve - Vrouw - Waver.

Mechelen is located 6 kilometers south-west, Antwerp 18 km north-west and about 28 km south-southwest of Brussels.

The next highway exits are located in Mechelen and Rumst to the A1 / E 19 The community has a regional station on the railway line Brussels - Antwerp; others are, inter alia, in Rumst and Lier and Mechelen also hold across regional express trains. Antwerp airport is the nearest regional airport and Brussels National, near the capital Brussels is an airport of international importance.