They dwelt in the cities of Hebron That is, the cities or towns belonging to Hebron, which was the metropolis. For in Hebron itself there was not space for them all, because it was filled with priests, and with David's court.
Related Commentaries of 2 Samuel 2:3
2 Samuel 2:3
3 And his men that were with him did David bring up, every man with his household: and they dwelt in the cities of Hebron.