'Fortified Cities' in the Bible

Also he built Beth-horon the upper, and Beth-horon the nether, fortified cities, with walls, gates, and bars;

And Zorah, and Ajalon, and Hebron, which are in Judah and in Benjamin, fortified cities.

And he took the fortified cities which pertained to Judah, and came to Jerusalem.

And he built fortified cities in Judah: for the land had rest, and he had no war in those years; because the LORD had given him rest.

And he placed forces in all the fortified cities of Judah, and set garrisons in the land of Judah, and in the cities of Ephraim, which Asa his father had taken.

These waited on the king, besides those whom the king put in the fortified cities throughout all Judah.

And he set judges in the land throughout all the fortified cities of Judah, city by city,

And their father gave them great gifts of silver, and of gold, and of precious things, with fortified cities in Judah: but the kingdom he gave to Jehoram; because he was the first-born.

After these things, and their establishment, Sennacherib king of Assyria came, and entered into Judah, and encamped against the fortified cities, and thought to win them for himself.

Now after this, he built a wall without the city of David, on the west side of Gihon, in the valley, even to the entrance at the fish-gate, and compassed about Ophel, and raised it up a very great highth, and put captains of war in all the fortified cities of Judah.