 Wiesensteig is located in the upper Fils valley in 575–750 meters altitude in Göppingen (district).At the edge of the town passes Bundesautobahn 8 to Ulm.To Wiesensteig belongs the town of Wiesensteig, the courtyards Bläsiberg, Eckhöfe, Heidental, Reußenstein and Ziegelhof and the houses Lämmerbuckel, Papiermühle and the dialed towns Michelnbuch and Schafhaus 

Adjacent municipalities are Gruibingen in the north, Mühlhausen im Täle in the northeast, Drackenstein in the east, Hohenstadt in the south east, Westerheim (Alb-Donau-Kreis) in the south, Römerstein (Reutlingen (district)) in the southwest and Lenningen in the west and Neidlingen (both Esslingen (district)) in the northwest.