Marchtrenk is a municipality with about 12.500 inhabitants in the district Wels-Land in the province Upper Austria of the Republic of Austria. It is situated on the river Traun.
Traun is a river in the Austrian state of Upper Austria. Its source is in the Totes Gebirge mountain range in Styria. It flows through the Salzkammergut area and the lakes Hallstätter See and Traunsee
Traun River near Obertraun
The river Traun between Au [de] and Steeg [de] (two districts of Bad Goisern)