Chahar Borj is a city in West Azerbaijan Province, Iran.
Chahar Borj () may also refer to: Chahar Borj, Dashtestan, Bushehr province Chahar Borj, Ganaveh, Bushehr province Chahar Borj, Fars Chahar Borj, Isfahan Chahar Borj, North Khorasan Chahar Borj, Mashhad, Razavi Khorasan province Chahar Borj-e Olya Chahar Borj-e Sofla Chaharborj County, West Azerbaijan province