Both North Dakota and South Dakota share a border with Minnesota. South Dakota also shares an eastern border with Iowa.
Montana borders North and South Dakota,
The US state of Montana's eastern borders are North Dakota and South Dakota.
South Dakota borders Nebraska on the north.
The US state of Minnesota borders North Dakota and part of South Dakota on their eastern borders and the US state of Montana borders North Dakota and part of South Dakota on their western borders.
The US state south of North Dakota is South Dakota. South Dakota is bordered by the US states of North Dakota, Minnesota, Iowa, Nebraska, Wyoming, and Montana.
South Dakota is the state which is located between North Dakota and Nebraska.
Montana
North Dakota is a state and does not contain any countries.
That is South Dakota.
Montana borders Idaho, North Dakota, South Dakota and Canada.
The state of Montana borders Idaho, Wyoming, North Dakota, and South Dakota in north-western U.S.
The state of Montana borders Idaho, Wyoming, North Dakota, and South Dakota. The is the only state that is bordered by all 5 states.