A dividing line between two places is usually called a border.
Mason-Dixion Line
The dividing line between North and South America is typically considered to be the Panama-Colombia border. This is where the narrowest point of the Americas, known as the Isthmus of Panama, connects the two continents.
The Equator.
The 38th parallel
The 38th parallel is the dividing line between North and South Korea.
The defining line was known as the Mason-Dixon line that starts at the southeastern tip of Pennsylvania.
the 38th parallel
The 17th parallel was established on 21 July 1954 as a provisional demarcation line.
Yangtze River
panama, belieze, and washinlaville.
The Yangtze River
The Ancona Line can be found in Italy, dividing the wealthier North from the poorer South.
Yes, all land and water north of the equator is considered to be in the Northern Hemisphere. The equator serves as the dividing line between the Northern Hemisphere and the Southern Hemisphere, with the North Pole being at the northernmost point.