5th century in Armenia

451 battle

484 treaty between Armenia and the Sasanian Empire

Yererouk (, ), also Yereruyk or Ererouk, is an ancient Armenian church near the village of Anipemza in the Shirak Province of Armenia. Yererouk was built on a plateau near the Akhurian River, which defines the frontier with Turkey, about 5 km southeast of the ancient city of Ani.

parts of Kingdom of Armenia that became part of the Byzantine Empire