Gina, mentioned in the Amarna Letters, was a town in ancient Canaan.
It explains (in passing) the recent killing of Labaya and the resultant of dealing with his two sons.
An excerpt of the mostly complete 60-line letter: And the two sons of Lab'ayu keep talking to me like this, (saying): "Wage war against the 'people of [G]ina' for having killed our father.
I have answered the two of them, "May the god of the king, my lord, preserve me from waging war against the 'pe[op]le of [G]ina,' servants of the king, my lord."
May it seem rig[ht] in the sight of the king, my lord, and may he sen[d] one of his magnates to Biryawaza-(of Damascus) [to tel]l him, "You will ma[r]ch against the two sons of Lab'aya or [yo]u are a rebel against the king.