The definition of a garrison is a military fort or a body of troops stationed at a military fort.
The definition of a fortress is a secured and strong place.
The definition of a fort is a building that has been protected, often because of its military importance.
The definition of a citadel is a place where people go for safety or to defend.
The definition of a castle is a large fortified building or set of buildings where royalty lives, or a large and impressive house.
(Military) A hardened shelter, often buried partly or fully underground, designed to protect the inhabitants from falling bombs or other attacks.
The definition of a bulwark is something or someone that provides defense or protection.
The definition of a haven is a safe or comforting place.
(--- Baseball) Center field.
A place providing protection or shelter:
Find another word for strongholds. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for strongholds, like: fastnesses, keeps, garrisons, fortresses, forts, citadels, castles, bunkers, bulwarks, havens and centers.