Traun is the fifth largest town in Upper Austria, located in the district of Linz-Land.

Neolithic: Excavation findings suggest that the first settlements date to when the Roman road led from Wels to Lorch (Enns).

about 1850: First industries: Enderlin, Berl and Graumann brothers (textiles), Dr. Feurstein (paper), Gabler (flat and braid products), Enenkel (vinegar factory).

1884: The owner of the castle (count Abensperg-Traun) moves back to the estates in Lower Austria.

The Bundesschulzentrum Traun (home of the 2 high schools Bundesrealgymnasium and Handelsakademie) opens.

1975: The bathing center (Badezentrum) opens with two indoor swimming pools with a sauna and restaurant.

2002: The high school HTL-Traun (Höhere technische Lehranstalt) opens, starting in a provisional building.

Notable national and international operating companies are based in Traun, like Internorm, Ed.

Haas, Pez, Tannpapier (Trierenberg Holding), Feurstein (Delfort Group), Ing.