Wien Erzherzog-Karl-Straße is a railway station serving Donaustadt, the twenty-second district of Vienna.

[1] The station is a keilbahnhof located at the junction of the Laaer Ostbahn and Marchegger Ostbahn lines.

It has an island platform on each line, although at present no passenger trains use the Laaer Ostbahn north of the station.

As of the December 2020 timetable change,[update] the following services stop at Wien Erzherzog-Karl-Straße:[2]