Tulle is a commune in central France. It is the third-largest town in the former region of Limousin and is the capital of the department of Corr…Tulle is a commune in central France. It is the third-largest town in the former region of Limousin and is the capital of the department of Corrèze, in the region of Nouvelle-Aquitaine. Tulle is also the episcopal see of the Roman Catholic Diocese of Tulle.