Schengen short stay visa, also known as a Type C visa, will be required for any short stay trips, that are up to 90 days, to Austria.

Depending on the purpose of seeking entrance to Austria, you will have to apply for either one of the following –

Business Visa For those attending business-related activities.
Medical Visa For those seeking medical treatment.
Tourist Visa For all those wishing to sightsee or holiday in Austria.
Visitor Visa For those wanting to visit family members or friends that are living in Austria.
Study Visa For students wishing to attend up to 3 months’ course at any educational institution in Austria.
Official Visit Visa For official delegations that might be coming to Austria on an official trip.
Visa for Cultural, Sports, and Film Crews For anyone attending any activity of this kind in Austria.
Airport Visa For those transiting through any of the Austrian airports while en route to a travel destination that is outside the Schengen Area.