Emmersdorf an der Donau is a Danube River cruise port in Austria, and a market town located opposite to Melk. It lies in in the district of Melk, Lower Austria state.
Emmersdorf an der Donau has a population of around 2,000. Its total area is 29.81 km2 (11.51 ml2). The town is the gateway to the Wachau Valley (river landscape between Melk and Krems).