I recommend who want stay and tour in town square.
If you have heavy luggage, you need carry it two-story spiro-stairs. The apartment is located at 2nd floor (3rd floor in American style).
Transportation: Need walk at least 5-10 minutes to get access public transportation if you go Praha castle and St. Vitus Cathedral. Charles bridge is in walking distance (about 1.0 km).
Supermarket located at major public tram transportation (Narodni trida: Metro or Tram) is cheaper price than any other nearby stores (about 20-30% cheaper).