Barcelona

Barcelona , is the capital of Catalonia and the second largest city in Spain, after Madrid . Barcelona is the 16th-most-visited city in the world and the fourth most visited in Europe after Paris, London, and Rome .
Average temperature : Spring (16°C), Summer (27°C), Autumn (19°C), Winter (11°C)
Must see : Park Güell, Sagrada Família, Gothic Quarter, Barceloneta beach, The Camp Nou (Soccer Stadium), Plaça de Catalunya, La Rambla