AntwerpAntwerp (ˈæntwɜrp; Antwerpen ˈɑntʋɛrpə(n); Anvers ɑ̃vɛʁs) is the largest city in Belgium by area at and the capital of Antwerp Province in the Flemish Region. With a population of 536,079, it is the most populous municipality in Belgium, and with a metropolitan population of around 1,200,000 people, it is the second-largest metropolitan region in Belgium, second only to Brussels. Going through Antwerp, is the river Scheldt. Antwerp is linked to the North Sea by the river's Westerschelde estuary.