Safe house

A safe house (also spelled safehouse) is, in a generic sense, a secret place for sanctuary or suitable to hide persons from the law, hostile actors or actions, or from retribution, threats or perceived danger. It may also be a metaphor.
Historical usage.
It may also refer to:
Typically, the significance of safe houses is kept secret from all but a limited number of people, for the safety of those hidden within them.
Many religious institutions will allow one to obtain sanctuary within one's place of worship, and some governments respect and do not violate such sanctuary.
Safe houses were an integral part of the Underground Railroad, the network of safe house locations that were used to assist slaves in escaping to the primarily northern free states in the 19th century United States. Some houses were marked with a statue of an African-American man holding a lantern, called "the Lantern Holder".
Safe houses also provided a refuge for victims of Nazi persecution and for escaping prisoners of war. Victims, such as Anne Frank and her family, were harbored clandestinely for extended periods of time. Other Jewish victims that were hidden from the Germans include Philip Slier and his extended family and friends.