'Stronghold' in the Bible

Because you [Judah] have forgotten the God of your salvationAnd have not remembered the Rock of your Stronghold—Therefore you plant lovely plantsAnd set the grounds with vine slips of a strange god,

Be ashamed, O Sidon [mother-city of Tyre, now like a widow bereaved of her children];For the sea speaks, the stronghold of the sea, saying,“I have neither labored nor given birth [to children];I have neither brought up young men nor reared virgins.”

Wail, O ships of Tarshish,For your stronghold [of Tyre] is destroyed.

For You have been a stronghold for the helpless,A stronghold for the poor in his distress,A shelter from the storm, a shade from the heat;For the breath of tyrantsIs like a rainstorm against a wall.

And the multitude of all the nations that fight against Ariel (Jerusalem),Even all who fight against her and her stronghold, and who distress her,Will be like a dream, a vision of the night.

Who proceed down to EgyptWithout consulting Me,To take refuge in the stronghold of PharaohAnd to take shelter in the shadow of Egypt!

“His rock [his stronghold] will pass away because of panic,And his princes will be terrified at the [sight of the battle] standard,”Declares the Lord, whose fire is in Zion and whose furnace is in Jerusalem.