Insurgents soon seized the city and turned it into a strategic stronghold.

The castle became a strategic northern stronghold for The Crown.

John's rule was strongly opposed by the northern barons, so the castle at Scarborough was fortified as a strategic stronghold.

The castle was a strategic military stronghold due to its location near the Polish border.

Britain needed its colonies to be strong and with minimal internal strife to maintain strategic strongholds and resources.

The rock reverted to its earliest use as a strategic stronghold during Ottoman rule, resulting in damage to most of the major structures.

Cherbourg had been a strategic stronghold for several centuries - its castle was first built in the 5th century to protect the whole width of the Cotentin.

The village was located in the fork of two canyons where a strategic stronghold could be erected.

Due to pooneryn being a strategic stronghold it was under constant attack by the LTTE.

Jinju (진주) was a strategic stronghold that defended Kyongsang Province.