South Dakota
South Dakota was a region located in the interior of the North American continent of Earth. This was a state in the United States of America. The border states were Iowa, Minnesota, Montana, Nebraska, North Dakota, and Wyoming. Pierre and Rapid City were two of the state's cities. (; )

The town of Deadwood, 1885 – the setting for the  program – was located in this state. (; )

In an alternate timeline in which Nazi Germany had invaded the United States, as of 1944 South Dakota was controlled by American forces. ()

de:South Dakota
fr:Dakota du Sud
it:Dakota del Sud
nl:South Dakota
Earth subnational entities