Yursa was a town from the 1350-1335 BC Amarna letters correspondence. The site, a city/city-state, is probably in the southern Canaan close to Gaza. Some scholars identify it with Tel Gamma.
In the 382–letter correspondence it is the location of its mayor/ruler, Pu-Ba'lu who authored 3 letters written to pharaoh, namely EA 314-316, (EA for 'el Amarna').
The three letters to pharaoh from Pu-Ba'lu of Yursa are:
Of the entire Amarna letters 382–letter corpus, Yursa is only referenced in letters 314, and 315, as: "..Pu-Ba'lu, the ruler of Yursa".
EA-314, lines 1-22 (with damaged cuneiform characters)
EA 235, entitled: "An order of glass", is of the same subject, a letter from Satatna of Akka-(Acco).