Ottensheim, Upper Austria, market town in the district of Urfahr-Umgebung, alt. 270 m, pop. 3,796, area 11.84 km2, centre of trade and industry where the River Rodl flows into the Danube, west of Linz. - Ottensheim-Wilhering run-of-river power station (erected in 1973, 179 MW), highway maintenance depot; building industry and secondary building firms, warehouse, brickworks, transportation. - Documented mention in 1146, right to hold markets given in 1228; late-Gothic parish church (1462-1467, net vault around 1500, renovated); Pietà (1410) in parish house; former Spitalskirche church (1400) desecrated in 1778; mediaeval castle (documented mention in 1148, rebuilt in 1896) with mediaeval keep and arcades.