strong·hold (strông'hold')
A fortified place or a fortress.
1.
A place of survival or refuge: one of the last strongholds of an age-old tradition.
2.
An area dominated or occupied by a special group or distinguished by a special quality: a songwriter stronghold; a stronghold of songwriters.
Defenders of the stronghold:
Morten A. Raddum, Peter Nova, Henning Hartung