The Frans Hals Museum (formerly Stedelijk Museum van Haarlem) is a museum in the North Holland city of Haarlem, the Netherlands, founded in 1862, known as the Art Museum of Haarlem. Its collection is based on the city's own rich collection, built up from the 16th century onwards. The museum owns hundreds of paintings, including more than a dozen by Frans Hals, to whom the museum owes its name. The Frans Hals Museum is located in the Haarlem city centre, in the 17th-century Oudemannenhuis with re