Qlisura (or Qalisura, Callisura, from kleisoura) was a diocese in the Syriac Orthodox metropolitan province of Melitene (modern Malatya), attested between the ninth and thirteenth centuries.
Eighteen Jacobite bishops of Qlisura are mentioned in the histories of Michael the Syrian and Bar Hebraeus, and in other West Syriac sources.
By 1283, as a result of several decades of warfare and brigandage, the diocese of Qlisura was ruined, though it apparently still had a bishop several years later.
In this Appendix Michael listed most of the bishops consecrated by the Jacobite patriarchs of Antioch between the ninth and twelfth centuries.
[6] Despite the gloomy testimony of Bar Hebraeus, there is evidence that the diocese of Qlisura continued to exist at this period.