Rehoboam built a fortress to defend against an attack from Egypt.
2 Chr 11:5Rehoboam lived in Jerusalem and built fortified cities in Judah:2 Chr 11:6Bethlehem, Etam, Tekoa,2 Chr 11:7Beth-zur, Socoh, Adullam,2 Chr 11:8Gath, Mareshah, Ziph,2 Chr 11:9Adoraim, Lachish, Azekah,2 Chr 11:10Zorah, Aijalon, and Hebron. These were fortified cities in Judah and Benjamin.