I spent one night at this hotel and it is well worth the money! The staff is friendly, speaks good English and the front desk is open 0-24. It is well-situated and easy to find (approx.10-15min walk from U3 Schlachthausgasse). My room was on the 3rd floor and it was nice, clean and quiet. Had everything a traveller like me needed! :) Breakfast is included in the price and has a wide range of selection. I will definitely stay at Hotel Gabriel again and strongly recommend it to everyone else.