Turnhout is a Belgian municipality and city located in the Flemish province of Antwerp. The municipality comprises only the city of Turnhout proper. In 2021, its population was 45,874. The total area is 56.06 km2 (21.64 sq mi). The agglomeration is much more populous, with 81,473 inhabitants. It is known for its playing card industry, and houses the head office of the world's largest manufacturer …