NasalaNasala was an Ancient city and bishopric in Roman Mesopotamia and remains a Latin Catholic titular see.Its present location in Asian Turkey is unclear.HistoryNasala was important enough in the Late Roman province of Mesopotamia Secunda to become a suffragan of its Metropolitan Archbishopric, but would fade.Titular seeIt was nominally restored in 1933 as a Latin Catholic titular bishopric, but remains without incumbent.