The Greek in Acts 5:18 that is translated as “public prison” in English is translated in Elhomwe as “prison,” since all “prisons on Malawi are public.” (Source: project-specific translation notes in Paratext)
In Desano it is “where there were many wicked people,” in Isthmus Mixe it is “the prison of the people,” and in Tepeuxila Cuicatec “the jail of the town.” (Source: Viola Waterhouse in Notes on Translation August 1966, p. 86ff.)
See also prison.