Proper noun
Moesia
(geography, historical) An ancient region and later Roman province situated in the Balkans, along the south bank of the Danube River, mainly in what is now Bulgaria and Serbia.
Among the Visigoths settled in Lower Moesia (now part of Bulgaria and Romania), the situation was ripe for rebellion. Source: Internet
Aurelian continued to harass the enemy, driving them northward into Upper Moesia where emperor Claudius had assembled his main army. Source: Internet
In 1087 the Pechenegs raided into Thrace, and Alexios crossed into Moesia to retaliate but failed to take Dorostolon ( Silistra ). Source: Internet
Domitian returned to Moesia in August 86. He divided the province into Lower Moesia and Upper Moesia, and transferred three additional legions to the Danube. Source: Internet
Jones (1964) 620 The emperor Probus (r. 276-82) is recorded as resettling 100,000 Bastarnae in Moesia, in addition to other peoples (Goths, Gepids and Vandals). Source: Internet
Domitian probably wanted a new war against the Dacians, and reinforced Upper Moesia with two more cavalry units brought from Syria and with at least five cohorts brought from Pannonia. Source: Internet