 The city of Werdenberg with its castle (Schloss Werdenberg) is part of the municipality.Voralpsee and Werdenbergersee are located in the municipality.The blazon of the municipal coat of arms is "Argent a Wild Man statant afrontee holding a Club in dexter and a Pine Tree eradicated Vert in sinister"

Grabs has a population (as of ) of .