Luxembourg City, nicknamed "the green heart of Europe" is bordered by Belgium, Germany and France. It is one of the three European Union official seats. State capital of the same name, Luxembourg boasts a rich cultural heritage. Book a flight for your trip to Luxembourg and discover its blend of modern architecture and old districts: what a mix! The Bock, a true architectural vestige, guides you into a past where the city of Luxembourg was encircled by a colossal fortress. The old town, recorded by UNESCO as a world heritage site, is full of significant cultural venues, like theatres and museums, such as the Grand Duke Jean Museum of Modern Art. Have you selected this destination for your holiday? You can book a hotel in Luxembourg now, close to one of those places. The city also has many theatres, of which the Luxembourg Philharmonic is one of the most famous due to its unusual design. Besides its architecture, the region has many green spaces: Echternach lake and the lakes in Remerschen enable you, to practice water sports, hiking and fishing during your holidays in Luxembourg.