Barcelona, Spain, is a city you will want to visit again and again. Most importantly, Barcelona is the capital and largest city of Catalonia and boasts a population (including outer city limits) of 5.7 million people.
Being one of the largest cities in Europe, it holds a wide array of art, culture, and history. Barcelona is known for its modern art and architecture, made famous by the multitude of styles built throughout the centuries, and of course Antoni Gaudí known as the greatest exponent of Catalan Modernism.