Ybbs an der Donau (, ; short: Ybbs; Central Bavarian: Ybbs aun da Donau) is a town in Austria. It was established in 1317. Throughout the town, from the intersection of the important trade routes and along the Danube the town has preserved a site that already had great economic importance during the Middle Ages.
The valley of the Ybbs river is called: Ybbs Valley, or Ybbs Field ().
In 788, Ybbs Field () was the site of a battle, between Franks and Avars.
Railroad bridge was dive-bombed by 14th FG on 26 March 1945 at 1020 hrs; Direct hit on abutments, south approach cut, main line blocked.
On a silver shield lies a red city wall with battlements that an open gate and raised portcullis, which are dominated by two towers. Between the towers floats a green Linden bough, and the red-white-red Bindenschild.
Colors: Red-White-Red Coat of Arms Bestowal: unknown; at least since the 14th century.
Ybbs an der Donau is twinned with: