Christianity is the most widely professed religion in Spain, with Catholicism being its main denomination, along with high levels of secularization as of 2026.
León Cathedral is a World Heritage Site.
The rebuilt Roman temple of Diana in Mérida
The 7th-century Visigothic church of San Pedro de la Nave
The Great Mosque of Córdoba turned church after the Reconquista.
Spain, officially the Kingdom of Spain, is a country in Southern and Western Europe with territories in North Africa. Featuring the southernmost point of continental Europe, it is the largest country
Religion in Spain
…Unanswered (1.60%) Christianity is the most widely professed religion in Spain, with Catholicism being its main denomination, along with high levels of secularization as of 2026. Spain is a secular state and freedom of religion…
The Roman Theatre in Mérida
Royal Pantheon of San Isidoro, Kingdom of León
Catholic Monarchs of Spain