'Fortified Cities' in the Bible

And it came to pass when Joshua and the children of Israel had ended smiting them with a very great slaughter, until they were consumed, that the remnant which remained of them entered into fortified cities;

And now give me this mountain, of which Jehovah spoke in that day; for thou heardest in that day that Anakim are there, and great fortified cities. If so be Jehovah shall be with me, then I shall dispossess them, as Jehovah said.

And the fortified cities were Ziddim, Zer, and Hammath, Rakkath, and Chinnereth,