The Basilica of San Giovanni in Laterano, also known as the Lateran Basilica, is the oldest and highest-ranking church in the Catholic Church. Located in Rome, it serves as the official ecclesiastical seat of the Pope and is considered the mother church of all Roman Catholic churches worldwide. Constructed in the 4th century, the basilica features stunning architecture, including a grand façade and beautiful interior artwork. It is home to significant religious relics and is a major pilgrimage site, attracting visitors who come to admire its historical and spiritual significance.