Idaho and Wyoming border the south of Montana.
Border States :)
California and Nevada border Oregon on the south.
United States
South Carolina and Georgia border North Carolina on the south.
North Carolina and Tennessee border Virginia to the south.
Kentucky and West Virginia border Ohio on the south.
The border which separates Canada from the United States
Arizona is south of Utah
what states border clolrado
The Persian Gulf has no "south eastern border" -the south western border is Saudi Arabia and the Gulf states and Iran is the north eastern border.
South Dakota is bordered by Nebraska to the south.