Wervik is a municipality located in the Belgian province of West Flanders. The municipality comprises the city of Wervik and the town of Geluwe. On January 1 2006 Wervik had a total population of 17,607. The total area is 43.61 km² which gives a population density of 404 inhabitants per km². The area is famous for its excellent tobacco and has a tobacco museum. The town is separated from its French counterpart Wervicq-Sud by the river Lys.