stronghold
/ˈstrɔŋˌhoʊld/
noun
- A place that is strongly defended or protected, like a fortress or castle.
- Soldiers retreated to the stronghold to prepare for the attack.
- The rebels used the mountain stronghold as their base.
- The ancient stronghold stood on top of the hill for centuries.
- A place or area where a particular belief, activity, or group is especially strong or dominant.
- The university became a stronghold of scientific research.
- That town is a stronghold of conservative politics.
- The region is a stronghold for the endangered bird species.