Apart from the city of Chełm, Chełm County is also bordered by Hrubieszów County to the south-east, Zamość County to the south, Krasnystaw County to the south-west, Świdnik County and Łęczna County to the west, and Włodawa County to the north.
Apart from Chełm city, Chełm County is surrounded by Hrubieszów County to the southeast, Zamość County to the south, Krasnystaw County to the southwest, Świdnik County and Łęczna County to the west, and Włodawa County to the north.