Hasic

Hasic is one of the eastern ports on the shores of Lordaeron. It is affiliated with the Alliance, and serves the Great Sea, offering passage by ship to Khaz Modan. Hasic maintained land routes to its neighbors, especially the major realms of Hillsbrad and Southshore. It is more than a week's journey to reach either one. Rhonin had visited the northern area of the port seeking out boats to travel to Khaz Modan. Falstad Wildhammer and his gryphon riders were protecting Hasic when Rhonin visited.

Speculation
Since Hasic is missing from the game, it might have been destroyed during the Third War by the Scourge or even by gnolls and/or naga, that are present in the southeastern part of Hillsbrad Foothills, in the years afterwards... or it may simply not appear due to world scale issues. It is possibly Lordaeron Harbor as depicted in the Death Knight manga.