North Dakota is a state located in the Midwestern region of the United States. It is the 19th largest state by area and the 4th least populous state in the country. The state's economy is largely based on agriculture, with wheat being the primary crop. The state is also home to a significant oil industry, with the Bakken Formation being one of the largest oil fields in the country. North Dakota is known for its harsh winters and beautiful natural scenery, including the Badlands and Theodore Roosevelt National Park. The state capital is Bismarck, and the largest city is Fargo.