Rusubisir was an ancient Roman town of the Roman province of Mauretania Caesariensis. [1] An exact location of the town is not currently known but it presumed to be in the territory around Tiza, Algeria. [2]
Rusubisir was also the seat of an ancient bishopric which survives today as a titular see of the Roman Catholic Church. The current bishop is Mons. Juan Alberto Ayala. [3]
Obispo Titular Actual: Juan Alberto Ayala Ramírez (Venezuela) https://www.gcatholic.org/dioceses/former/t1484.htm