Hoorn is a town and a former Dutch East India Company base in the Dutch province of North Holland. It lies on the IJsselmeer, a lake north of Amsterdam. Shops and cafes dot its 17th-century town center, which is anchored by the Roode Steen, the main square. The harbor features the Hoofdtoren, a 16th-century tower. Museums include the Westfries Museum, displaying paintings of the Westfrisian Golden Age.