'Strongholds' in the Bible

The Lord has swallowed up; He has not sparedAll the country places of Jacob.In His wrath He has thrown downThe strongholds of the Daughter of Judah (Jerusalem).He has brought them down to the ground [in disgrace];He has debased the kingdom and its princes.

The Lord has become like an enemy;He has swallowed up Israel.He has swallowed up all its palaces;He has destroyed its strongholdsAnd multiplied in the Daughter of JudahMourning and lamentation (expressions of grief).