The Basilique Saint-Sernin is located in Toulouse, France. It is a magnificent Romanesque building and was first built in 1080. It is one of the largest Romanesque churches in the world, famous for its red brick and stone exterior walls, exquisite carvings and huge domes. The church houses the relics of Saint Sernan and is an important destination for pilgrims. This historic church is not only a landmark of Toulouse but also a UNESCO World Heritage Site, attracting countless tourists to visit and explore.