The Steina Dam lies in the Upper Harz within the Harz Nature Park. It stretches for about 2.2 km north-northwest of Steina, a village in the borough of Bad Sachsa on the Ichte tributary, the Steinaer Bach (also called the Steina) - in the Steina Valley (Steinatal) - and is part of the catchment area of the River Elbe. To the northeast rises the western spur of the Nesselkopf ( NN), the Nesseltalskopf (ca. NN), to the southeast is the south-southwestern spur of the Nesselkopf, the Steintalskopf (ca. NN). To the west is the Hüttenberg ( NN).