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, 2014, Wervik had a total population of 18,435. The total area is 43.61 km² which gives a population density of 423 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 Leie.