city
Nisibis
Nusaybin, Turkey
37.070, 41.218
Attested. Ephrem's Nisibene period is well supported by his own hymns and later Syriac memory.


A frontier city and an early center of Syriac Christian teaching, associated with Ephrem before the city was ceded to Persia in 363.
Sources
No separate modern citation is attached to this place. The confidence note above is the atlas summary of the evidence.
Cited notes
489. After the School of Edessa closed, a theological school flourished at Nisibis under Persian rule.
https://en.wikipedia.org/wiki/School_of_Nisibis · Unverified in the source note
350. Ephrem the Syrian writes the Nisibene Hymns during the Persian sieges of Nisibis.
NPNF2-13, Nisibene Hymns · Verified in the source note
Further reading
Councils here
None in this list.