Wilhelmshaven (German pronunciation: [vɪlhɛlmsˈhaːfən]) is a coastal town in Lower Saxony, Germany. It is situated on the western side of the Jade Bight, a bay of the North Sea. Wilhelmshaven is the centre of the “JadeBay” business region (which has around 330,000 inhabitants).The adjacent Lower Saxony Wadden Sea National Park (part of the Wattenmeer UNESCO World Natural Heritage Site) provides the basis for the major tourism industry in the region.