Michael rents what seem to be a number of small efficiencies within a larger entrance/apartment. They are perfectly adequate accommodation - certainly larger than any hotel room except the most expensive. I stayed in two of them (small interruption while I visited Bratislava).

Let me more precisely describe the location, which I found ideal.

The apartments are two short blocks from an underground station and that station is just one stop from what might be described as "ground zero" in Vienna (Karlsplatz).

Starting at the station, and walking north all the way to Karlsplatz you are in the "NaschMarkt" - one of Vienna's features - a market full of food stalls and small eateries. (I ate there every morning - a ham and eggs breakfast.)

At the northern end of the Naschmarkt, just before Karlsplatz, is the Theater An Der Wien - a really neat venue. I went there for a superb opera production - great seat, maybe half the price for an equivalent seat at the Vienna Staatsoper. (Comparisons are odious; I also went to the Staatsoper - lousy seat but glorious music and production - and venue.)

Just north of the Naschmarkt is Secession - you'll have to look it up. And about 100 yards (north and west) fom Secession is the Art Institute and Gemaelde Gallerie. (Wonderful portraits; some nice seascapes; Hieronymous Bosch tryptic of Judgement Day.) If instead you walk east, you come to a beautiful church, and almost next to it the Vienna Museum.

Across Karlsplatz and to the north is KaerntnerStrasse, which leads to Stephansdom.