Comfortable Living Apartment Kalis in Belgrade offers a terrace and free WiFi. The apartment includes one bedroom, one bathroom, and a spacious living room. Modern Amenities Guests enjoy air-conditioning, a fully equipped kitchen, washing machine, and TV. The reception staff speak Greek, English, Croatian, and Italian. Prime Location Located 7.5 mi from Belgrade Nikola Tesla Airport, the apartment is near an ice-skating rink and boating opportunities.