Fortress apartments Niš in Niš provides accommodations with free Wifi a 8-minute walk from Niš Fortress, 700 yards from King Milan Square, and a 12-minute walk from National Theatre in Niš. Housed in a building dating back to 2014, this apartment is a 8-minute walk from Monument to the Liberators of Nis. All units include air conditioning, a wardrobe, and a flat-screen TV, and certain units at the apartment complex have a balcony. At the apartment complex, the units include a private bathroom with slippers and a hair dryer. The nearest airport is Constantine the Great Airport, 1.2 miles from the apartment.