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Valldoreix (Catalan pronunciation: [ˌbaʎðuˈɾɛʃ]) is a community that is part of the Sant Cugat del Vallès municipality, located in the Barcelona province. It has the status of a "decentralised municipal entity [ca]" (EMD) within the municipality.

According to a census in 2015 it has 8,096 inhabitants.

On the northern edge it connects with Mira-sol, another community in the Sant Cugat del Vallès municipality.

41°28′N 2°03′E / 41.467°N 2.050°E / 41.467; 2.050

• Official website