Sabadell is a municipality in the province of Barcelona, Catalonia, Spain. It is the fifth largest municipality in Catalonia with a population of over 207,000 people. In the 20th century, Sabadell and nearby Terrassa established themselves as centers of excellence for the textile and motor vehicle industries. Sabadell contains several historical and cultural attractions including churches, theaters, and museums. Major festivals include the Monday after the second Sunday of May and celebrations in early September across the neighborhoods of Sabadell.