Sandal Castle is a Territory of the Empire of Adammia, surrounded by the West Yorkshire in the United Kingdom. It is situated on the site of the medieval ruins of Sandal Castle, which it is named after. The Castle was claimed by Emperor Adam I and Prince Jake in April 2018 to mark the Empire's 5th anniversary, with the territory intended to serve as a cultural landmark for Adammia and as an honourary base for the Adammic Army. The Castle is located in the region of North Adammia, situated between the counties of Maternia and Watertopia. Its honourary Steward is Prince Jake. On a day-to-day basis, the territory is the responsibility of the Ministry of Defence.