The Iburg Castle (German: Schloss Iburg), is a castle and former Benedictine abbey in Bad Iburg, Germany.
From ca. 1100 till 1673 it was the seat of the Prince-Bishopric of Osnabrück. It is also notable as the birthplace of Sophia Charlotte of Hanover, Queen consort in Prussia.
Coordinates: 52°09′28″N 8°02′33″E / 52.1578°N 8.0424°E