1) Lake of Østfold 
Aspern is part of Donaustadt, the 22nd district of Vienna. In 1904, the formerly independent village was incorporated into Vienna as part of the 21st district, Floridsdorf. Only in 1946 did it become part of the newly created 22nd district, Donaustadt. The area is known because of the Battle of Aspern-Essling, which was fought in the nearby Lobau ...