Just back from spending four nights. Was my first visit to Belgrade/Serbia and to the hotel. They offered taxi to meet at airport, which was great, easy identified and always good to have in new city (one direction was included in price).
Check in was fast easy, the stairs ok (but if you have mobility problems might be an Issue) cases brought up to room for me. The room was good size, clean and bright and warm. Great view and also had a balcony. Some people might be sensitive to street noise, but it was traffic noise and not people shouting. Also during night was quiet, and what I liked was the tram noise, it is relaxing but might not be for everyone. The bathroom large and again clean. Mini bar price reasonable. I really liked the colour scheme , green/grey. Breakfast room on 1st floor and good hours. Clean and calm atmosphere good coffee and general choice good (maybe if the hot selection was a little hotter)
The best were the staff at reception. Great English, great attitude and very helpful . Lots of information on places transport etc. Also they always seemed to be smiling :) :)
The Location, I found it great walking distance to nearly all you want to see. So in summary 6 stars from me. Thanks and keep enjoying your work.