I´m renting my room in a small flat in Vienna. There's one bed and a sofa so it's for 2-3 persons. There's also a TV and free WIFI. You can use the kitchen and the bathroom.
The public transport(43,44,9) is only 2 minutes away and you only need 15 minutes to the city center.
My flatmate is also renting her room, so there might be staying other airbnb-travellers in the flat as well.