Vonitsa

Paragraph 216 - In the month of July, while the said Duke was staying in the place which is called Vonitsa, after the Venetians had been defeated, and while his army was stationed in Cephalonia in order to take a certain city, while he himself was residing in the said place with a part of his army, preparing to go by sea with a large naval force and an innumerable multitude of soldiers to the Royal City Constantinople, by the command of God, almighty and most merciful, who reproves and brings to naught the thoughts and plans of princes which do not proceed from his own, the Duke died of flux.

De Re Militari: The Society for Medieval Military History » The Career of Robert Guiscard, according to the Annales Lupi Protospatharii 2009

As the country to the north of the Gulf of Arta was up in arms, and bodies of robbers were abroad, they procured an escort of thirty-seven Albanians, hired another galliot, and on Monday, the 13th, sailed across the entrance of the gulf as far as the fortress of Vonitsa, where they anchored for the night.

The Works of Lord Byron. Vol. 2 George Gordon Byron Byron 1806