Sabadell is a city and municipality in Catalonia, Spain. It is in the south of the comarca of Vallès Occidental, where it is one of the two capitals, the other being Terrassa. It is located on the River Ripoll, 20 km (12 mi) north of Barcelona, 190 m (620 ft) above sea level.

Vallès Occidental is a comarca (county) in the Barcelona region in Catalonia (Spain). It has two capitals, Sabadell and Terrassa. Along with Vallès Oriental, it forms the historical Vallès region.