South Dakota the state which located at the Midwest. The state was named in honor of Indian tribes Lakota and Dakota (Sioux). South Dakota became a state on Nov. 2, 1889 (in conjunction with North Dakota). The state capital is Pierre, the largest city is Sioux Falls. South Dakota is located at north-central of the United States. The area of the state is 199,905 km ². At the north South Dakota is bordered by North Dakota, at the east -by Minnesota and Iowa, at the south - by Nebraska at the west by Wyoming and Montana. Through the territory of South Dakota from north to south flowing by Missouri River.