Gratwein () was a municipality of Austria, merged in 2015 to form Gratwein-Straßengel in the district of Graz-Umgebung in the Austrian state of Styria.Steiermärkisches Gemeindestrukturreformgesetz – StGsrG, Landesgesetzblatt des Landes Steiermark. Nr. 31/2014 (Styria State Official Gazette, in German).
Population
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