2 Chronicles 27:4

Moreover, he built cities in the hill country of Judah, and in the forests he built fortresses and towers.

Joshua 14:12-13

So now, give me this hill country about which the Lord spoke that day, for you heard on that day that the [giant-like] Anakim were there, with great fortified cities; perhaps the Lord will be with me, and I shall drive them out just as the Lord said.”

2 Chronicles 11:5-10

Rehoboam lived in Jerusalem and built [fortified] cities for defense in Judah.

2 Chronicles 14:7

So he said to Judah, “Let us build these cities and surround them with walls, towers, gates and bars [to secure the doors]. The land is still ours because we have sought the Lord our God; we have sought Him [longing for Him with all our heart] and He has given us peace on every side.” So they built and prospered.

2 Chronicles 26:9-10

Uzziah also built towers in Jerusalem at the Corner Gate, the Valley Gate, and at the corner buttress [of the wall], and fortified them.

Luke 1:39

Now at this time Mary arose and hurried to the hill country, to a city of Judah (Judea),

Treasury of Scripture Knowledge

Summary

Moreover he built cities in the mountains of Judah, and in the forests he built castles and towers.

The mountains

Bible References

He built cities

2 Chronicles 11:5
Rehoboam lived in Jerusalem and built [fortified] cities for defense in Judah.
2 Chronicles 14:7
So he said to Judah, “Let us build these cities and surround them with walls, towers, gates and bars [to secure the doors]. The land is still ours because we have sought the Lord our God; we have sought Him [longing for Him with all our heart] and He has given us peace on every side.” So they built and prospered.
2 Chronicles 26:9
Uzziah also built towers in Jerusalem at the Corner Gate, the Valley Gate, and at the corner buttress [of the wall], and fortified them.

The mountains

Joshua 14:12
So now, give me this hill country about which the Lord spoke that day, for you heard on that day that the [giant-like] Anakim were there, with great fortified cities; perhaps the Lord will be with me, and I shall drive them out just as the Lord said.”
Luke 1:39
Now at this time Mary arose and hurried to the hill country, to a city of Judah (Judea),