Vallés is a municipality in the comarca of Costera, within the Valencian Community of Spain. It is located in the eastern part of the Iberian Peninsula, in the province of Valencia.
The town forms part of the Costera comarca, a district in the wider Valencia region. As a municipality, it constitutes a basic unit of local administration in Spain, with its own local government.
Vallés is one of several small municipalities that make up the Costera area, a comarca situated inland from the Valencian coast. The Valencian Community is an autonomous community of Spain, and its municipalities are grouped into comarcas for administrative and geographic purposes.