Property Location. A stay at Wienwert Apartments Troststrasse places you in the heart of Vienna, convenient to Business Park Vienna and Vienna State Opera. This apartment is within close proximity of Vienna Twin Tower and Military History Museum. Rooms. Make yourself at home in one of the 3 air-conditioned rooms featuring kitchens with full-sized refrigerators/freezers and stovetops. 100-cm flat-screen televisions with cable programming provide entertainment, while complimentary wireless Internet access keeps you connected. Conveniences include separate sitting areas and microwaves. Rec, Spa, Premium Amenities. Make use of convenient amenities, which include complimentary wireless Internet access and shopping on site.