Top-class apartment. Historic building, beautiful facade, highrise ceilings, balcony, 24/7 reception, access card, ultramodern furniture and appliances, central heating, aircon, wifi.
5-10 minutes walk to every attraction in Old city, but away from major noisy public routes.
Friendly host and staff, quiet neighbors.
Recommended in a way, that I advised even my folks to definitely stay there, the time they're in Prague.