(new), one of the towns of Judah, in the maritime low country, (Joshua 16:37) only, probably the Adasa of the Maccabean history.
International Standard Bible Encyclopedia
ha-da'-sha, had'-a-sha (chadhashah, "new"): A town in the Shephelah of Judah, named with Zenan and Migdal-gad (Jos 15:37). According to the Mishna (`Erubhin, v. 6), it was the smallest town in Judah. It is not identified.