Portugal is a significant center of pilgrimage tourism.

An excerpt from the article 37 facts about Portugal

This is due to the Sanctuary of Our Lady of Fátima, which is located in west-central Portugal, in the city of Fatima. The sanctuary was built on the site of the apparitions of Our Lady, which began on May 13 and lasted until October 13, 1917. In 2017, 9.4 million pilgrims came to Fatima to celebrate the centenary of the apparitions of Our Lady.