The Diocese of Troyes (Latin: Dioecesis Trecensis; French: Diocèse de Troyes) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Troyes, France. The diocese now comprises the département of Aube. Erected in the 4th century, the diocese is currently a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Reims. It was re-established in 1802 as a suffragan of the Archbishopric of Paris, when it comprised the départements of Aube and Yonne and its bishop had the titles of Troyes, Auxerre, and Châlons-sur-Marne. In 1822 the See of Châlons was created and the Bishop of Troyes lost that title. When Sens was made an archdiocese, the episcopal title of Auxerre went to it and Troyes lost also the département of Yonne, which became the Archdiocese of Sens. The Diocese of Troyes covers, besides the ancient diocesan limits, 116 parishes of the ancient Diocese of Langres and 20 belonging to the ancient diocese of Sens. On 8 December 2002, the Diocese of Troyes was returned to its ancient metropolitan, the Archbishop of Reims. , there was one priest for every 2,710 Catholics. When Troyes was the seat of the Bishop as well as of the Comte de Champagne, there was always tension between the two in terms of power and influence. After 1314, when Louis de Navarre became King Louis X of France, the competition was more distant but the competitor far more powerful. The Capitular Church of Saint-Étienne became a royal church, and the King tolerated no interference from the Bishop in his prerogatives. History The catalogue of bishops of Troyes is first found in manuscripts of the 12th century, though it can be shown that there was a list of bishops by the 9th century. In the opinion of Louis Duchesne, the list is worthy of confidence, at least from the 5th century on. The putative first bishop, St. Amator, seems to have preceded by a few years Bishop Optatianus who probably ruled the diocese about 344. During his term Bishop Ottulph (870-883) began to rebuild the cathedral, which had fallen in ruins due to neglect; coincidentally he discovered the body of Saint Frobert, which became an object of veneration. In 878 he was host to Pope John VIII who had abandoned Italy, fleeing from the violence of Lambert, Duke of Spoleto. In 889, during the administration of Bishop Bodon, the entire town