Bulgarian Tours
      Lufthansa City Center
      Landmark Center, 14 Tzar Osvoboditel Blvd, floor 5,
      1000 Sofia
      Reisebüro City Center
      Lufthansa City Center Business Travel
      Kapitan Andreev St. 29
      1421 Sofia
      World Synergy Travel DMC
      Lufthansa City Center
      Stratsin Str. 8
      1407 Sofia