The Mediterranean sea is located west of Canaan.
The physical feature that lies between the Muslim Empire's Northern border is the Caucasus Mountains. These mountains stretch between the Black Sea and the Caspian Sea, forming a natural barrier between the Muslim Empire and the surrounding regions to the north.
Portugal shares Spain's western border.
Arkansas lies on Tennessee's western border.
Minnesota and Iowa border western Wisconsin.
New Jersey is approximately 70 miles wide from its eastern border along the Atlantic Ocean to its western border along the Delaware River.
The river, Rio Uruguay, borders Uruguay's western border.
The Mediterrean sea.
The physical feature that forms Uruguay's western boundary with Argentina is the Uruguay River. It also forms part of the Brazilian-Argentine border.
A physical feature that forms part of the border of New York State is Lake Ontario. If you mean the border around New York City, a physical feature would be the Hudson River.
A political entity like a country, city, county or kingdom exercises its authority over a particular area. The line which divides the land which is part of the entity from that which is not is called a border. A border surrounds the political entity on all sides, including the west. That part of the border which is on the western side is the western border. The border may correspond to a physical feature: the western border of the United States is the coast of the Pacific Ocean; the western border of Germany follows in part the course of the Rhine river.
the english channel
The river, Rio Uruguay, borders Uruguay's western border.
Andes Mountains.
english channel
caucausus mountains
The Mississippi River forms Arkansas' eastern border.
Mexico