Castellan
The governor or commander of a fortress or castle is a castellan.
The governor of a Spanish fortress might be called a Captain. The governor of a Spanish fortress might also be called a Conquistador or a General.
Castle
The fortress can also be called a citadel. Hope this helps :)
An alcaide is a governor or commander of a Spanish or Portuguese fortress or prison.
The lieutenant governor is sometimes referred to as the deputy governor or the vice governor.
An alcayde is a governor or commander of a Spanish or Portuguese fortress or prison.
An alcade is a governor or commander of a Spanish or Portuguese fortress or prison.
the fortress of soltitude
bastion, bulwark, citadel, fortification, fortress, parapet, stronghold
Base, building, bunker, another b word, shelter, home, citadel, so on so forth
Germany often refered to it as Fortress Europe.