The Basílica de la Sagrada Família, commonly known as the Sagrada Família, is a Catholic church located in Barcelona, the capital of Catalonia, Spain. It is the largest unfinished Catholic church in the world and was designed by Catalan architect Antoni Gaudí. Its towering and distinctive architectural design has made it the most iconic landmark in Barcelona and a major tourist attraction. The basilica is also part of the UNESCO World Heritage Site “Works of Antoni Gaudí.”