Volkihar Keep is a castle located in the Dawnguard DLC for the video game The Elder Scrolls V: Skyrim. It serves as the home of the Volkihar Clan, a group of powerful vampires. The keep is situated on a small island in the northern part of Skyrim, surrounded by water and shrouded in mist, giving it a mysterious and foreboding atmosphere. Inside, players can explore various chambers filled with vampire-related lore and treasures. The architecture features dark stone and gothic elements, reflecting the clan's sinister nature. Volkihar Keep plays a central role in the questline for players who choose to side with the vampires.