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 (), the Nesseltalskopf (ca. ), to the southeast is the south-southwestern spur of the Nesselkopf, the Steintalskopf (ca. ). To the west is the Hüttenberg ().
