Property Location A stay at Allegra places you in the heart of Belgrade, convenient to Cathedral of Saint Sava and Red Star Stadium. This guesthouse is within close proximity of National Library of Serbia and Nikola Tesla Museum. Rooms Make yourself at home in one of the 10 air-conditioned guestrooms. Rooms have private balconies. Complimentary wireless Internet access is available to keep you connected. Bathrooms with showers are provided.