The Diocese of Frascati (Lat.: Tusculana) is a suburbicarian see of the Holy Roman Church and a diocese of the Catholic Church in Italy, based at Frascati, near Rome. The bishop of Frascati is a Cardinal Bishop; from the Latin name of the area, the bishop has also been called Bishop of Tusculum. The bishopric in fact moved from Tusculum at the end of the twelfth century. Until 1962, the Cardinal-Bishop was concurrently the diocsesan bishop of the see in addition to any curial duties he posscessed.