| Conflict: | Battle of Vardanakert |
| Date: | c. 702/703 |
| Place: | Varnakert, North to the mountain Ararat, near the riverbanks of Araxes, Armenia |
| Result: | Armenian victory |
| Combatant1: | Umayyad Caliphate |
| Combatant2: | Bagratid Armenia |
| Commander1: | Ostikan of Arminiya |
| Commander2: | Smbat VI Bagratuni |
| Strength1: | 8,000 |
| Strength2: | 2,000 |
Battle of Vardanakert was fought between an Arab garrison and Armenians. The Armenian prince Smbat VI Bagratuni defeated the 5,000-strong Umayyad army from the garrison in Nakhichevan. Struck by a surprise attack, the remaining Arabs fled to the river Araxes and either drowned or froze to death. Smbat, chosen to rule by Byzantine commission, managed to re-conquer the majority of Armenia and drive the Arabs out of the country.
Despite this success, the Umayyad generals Muhammad ibn Marwan and Maslamah ibn Abd al-Malik soon restored Armenia to subject status. Muslim control was secured by organizing a large-scale massacre of the princely families (nakharar) within the cathedral of Nakhchivan, which was burned, in 704.