Harburg Castle in Harburg, Bavaria, in the Donau-Ries district, is an extensive mediaeval complex from the 11th / 12th century. Originally it was a Staufer castle and was owned by the princely House of Oettingen-Wallerstein. Since 2000 the castle belongs to the Prince of Oettingen-Wallerstein Cultural Foundation, which has the mission to preserve this unique castle for the present and future.