northern extremity; northern border
Refers to the far northern part of a region or country; often used in geographical or historical contexts.
Hokkaido is located at the northern extremity of Japan.
The town is on the northern border of the country.
Compound of 北 (north) and 辺 (vicinity, area). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning 'northern extremity'.