Kwannam

Kwannam () is a traditional Korean term used to refer to the southern region of Hamgyong province, including portions of modern-day North Hamgyong and South Hamgyong, North Korea. Its literal meaning is "South of the Ridge", the ridge (Korean, "kwan")in question being Mach'ŏnnyŏng 마천령 摩天嶺. The term is no longer in common use.