Novak Grebostrek was a Serbian veliki vojvoda (military commander) under the Serbian Kingdom of Stefan Uroš II Milutin (r. 1282–1321). Stefan Milutin sent an army under the command of Novak to aid the Byzantine

Byzantine

Byzantine usually refers to the Roman Empire during the Middle Ages.Byzantine may also refer to:* A citizen of the Byzantine Empire, or native Greek during the Middle Ages...

 Emperor in the defense of his lands against the stronger Ottoman Turks

Ottoman Empire

The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

. The Battle of Gallipoli (1312)

Battle of Gallipoli (1312)

The Battle of Gallipoli was fought in 1312, between the Byzantine Empire and Serbian Kingdom, against Turcopoles led by Halil Pasha.The Turks were looting and pillaging the countryside. For two years Thrace was in the hands of Halil Pasha, the local inhabitants did not cultivate their lands at the...

 ended in a victory of the Serbs who destroyed the Ottomans. Serbia was given the town of Kucovo by Byzantine Emperor Andronikos II Palaiologos

Andronikos II Palaiologos

Andronikos II Palaiologos , Latinized as Andronicus II Palaeologus, was Byzantine emperor from 1282 to 1328. He was the eldest surviving son of Michael VIII Palaiologos and Theodora Doukaina Vatatzina, grandniece of John III Doukas Vatatzes...

.
The victories of Novak have been recorded in papers of Church of St. George, Staro Nagoričane.