Slovakia’s primary relevance for RA travelers is Bratislava, the closest foreign capital to Vienna at 60km. Direct trains from Wien Hauptbahnhof cover the distance in about 60 minutes; the summer Twin City Liner boat takes 90 minutes and is more scenic. Bratislava served as the capital of the Kingdom of Hungary and the coronation city of Habsburg-era Hungarian kings from 1563 to 1830, leaving a historic center with genuine imperial depth beneath the post-communist renovation. Prices are significantly lower than Vienna. Plan 1-2 nights as an extension. The Vienna-Bratislava-Budapest three-capital triangle is one of the most efficient cultural itineraries in Central Europe.
country
Slovakia
Bratislava is 60km from Vienna and reachable in 1 hour by train, making it the closest foreign capital to any other European capital.