The Missing Kingdom, or the Lost Nation, is one of the seven kingdoms that splintered off when the ancient Atlantis sank. It has since been lost and has yet to appear.[1]


  1. Beall, Will, Wan, James, Johns, Geoff (writers) & Wan, James (director) (December 21, 2018). Aquaman.
Community content is available under CC-BY-SA unless otherwise noted.