Avinguda Diagonal is one of the main avenues in Barcelona, Spain. It stretches approximately 11 kilometers, cutting diagonally across the city from Paseo de Gracia to Glòries. This unique layout allows for a diverse range of shops, restaurants, and cultural sites along its length. The avenue is known for its modern architecture and vibrant atmosphere. It features several important landmarks, including the Torre Agbar and the Fira de Barcelona. Avinguda Diagonal is also a key transportation route, connecting various neighborhoods and facilitating easy access to public transit options.