The ( ; ) is a large Roman Catholic church in Barcelona , Catalonia ( Spain ) , designed by Catalan architect Antoni Gaudí ( 1852 -- 1926 ) .
'' ' ( ] ) commonly known as the Sagrada Família , is a large Roman Catholic church in Barcelona , Catalonia , Spain . It was designed by Catalan architect Antoni Gaudí ( 1852 -- 1926 ) .