Palais des Papes

The Palais des Papes in Avignon, Southern France, is one of the largest and most important medieval Gothic buildings in Europe. Once a fortress and palace, the papal residence was a seat of Western Christianity during the 14th century. Six papal conclaves were held in the Palais, leading to the elections of Benedict XII in 1334, Clement VI in 1342, Innocent VI in 1352, Urban V in 1362, Gregory XI... (Wikipedia)