 Wangen lies on a hill above the Fils Valley, on the edge of the Schurwald and around five kilometres from the county town of Göppingen.The edges of the municipal area border Adelberg to the north, Börtlingen and Rechberghausen to the east, Göppingen to the south, Uhingen to the west and the town of Schorndorf in the neighbouring district of Rems-Murr-Kreis.The municipality of Wangen includes the formerly independent municipality of Oberwälden, and is composed of the villages of Wangen and Oberwälden.