The Margraviate of Antwerp consisted since the eleventh century of the area around the cities of Antwerp and Breda.

Antwerp is a city and a municipality in the Flemish Region of Belgium. It is the capital and largest city of Antwerp Province, and the third largest city in Belgium by area at 204.51 km2 (78.96 sq mi) after Tournai and Couvin. With a population of 536,079, it is the most populous municipality in Belgium, and with a metropolitan population of over 1,200,000 people, the country's second-largest metropolitan region after Brussels.