stronghold
Pronunciation:
/ˈstɹɒŋhəʊld//ˈstɹɔŋˌhoʊld/noun
Definitions
A place built to withstand attack; a fortress.
Synonyms:bastionbulwarkfastnessA place of domination by, or refuge or survival of, a particular group or idea.
Example: The last stronghold of the Cornish language.