'Cities' in the Bible

It happened after this that David inquired of Yahweh, saying, "Shall I go up into one of the cities of Judah?" And Yahweh said to him, "Go up." David asked, "Where shall I go up?" And he said, "To Hebron."

Be strong, and let us strengthen ourselves for the sake of the people and for the sake of the cities of our God. May Yahweh do [what is] good in his eyes.

He also brought out the people who [were] in it and put them to the saws and to the iron picks and to the iron axes, and he sent them to the place of the brickmakers. Thus he used to do to all the cities of the {Ammonites}, and he and all of the army returned to Jerusalem.

Then David said to Abishai, "Now Sheba the son of Bicri will do us more harm than Absalom. You take the servants of your lord and pursue after him, lest he find fortified cities for himself and escape from us."

and came to the fortress of Tyre and all the cities of the Hivites and the Canaanites. Then they went out to the Negev of Judah at Beersheba.