The Sagrada Familia, also known as the Expiatory Temple of the Sagrada Familia, is a Catholic basilica located in Barcelona. It was conceived by the architect Antoni Gaudí and its construction, which began in 1882, is still in progress. It represents Gaudí's masterpiece and is the ultimate example of modernist architecture in Catalonia.

It stands as one of the most popular tourist destinations in Spain, along with the Prado Museum and the Alhambra in Granada. It also holds the title of the most visited church in Europe after St. Peter's Basilica in the Vatican. At its completion, it will stand as the tallest Christian structure globally.