Bahnhof Feldkirchen in Kärnten to Villach Hbf train with ÖBB | S-Bahn

ÖBB Intercity is a domestic high-speed rail service operated by the Austrian Federal Railways (ÖBB) in Austria. They are addition to the Eurocity and the Railjet for long-distance travels and also include first class cars, the trains are air-conditioned, hve power sockets a minibar service and are comfortable. ÖBB Intercity trains mostly run on the inner alpine lines to cities like Graz, Linz and Salzburg and Inssbruck.

ÖBB S-Bahn, short for \Schnellbahn\" (rapid railway), is a suburban commuter rail network primarily serving metropolitan regions in Austria, operated by the Austrian Federal Railways (ÖBB). It functions as a hybrid urban-suburban system, with some larger S-Bahn networks offering services similar to rapid transit. The Vienna S-Bahn, a key part of the network, has been in operation since 1962 and connects Vienna's surrounding areas with the city. It is integrated with the national railway system, sharing tracks with regional and other rail traffic. ÖBB S-Bahn utilizes various train types, including the ÖBB Cityjet, Talent, Desiro, and bi-level push-pull trains. Tickets can be purchased online, via the ÖBB App, at ticket machines, or at ÖBB Travel Centres, with earlier online bookings often offering better prices."