The House of Gottorp was a prominent noble family in northern Europe, particularly in Schleswig-Holstein, Germany. It originated in the 12th century and played a significant role in the region's political landscape. The family is best known for its connection to the Duchy of Schleswig and the Duchy of Holstein. Members of the House of Gottorp held various titles, including dukes and counts, and were influential in the affairs of the Danish monarchy. The family's legacy includes the construction of the Gottorp Castle, which served as a residence and a symbol of their power and prestige in the region.