watch 01:42 The Loop (Movies) Do you like this video? 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. References ↑ Beall, Will, Wan, James, Johns, Geoff (writers) & Wan, James (director) (December 21, 2018). Aquaman. Retrieved from "https://dcextendeduniverse.fandom.com/wiki/The_Missing_Kingdom?oldid=85191" Categories: Locations Aquaman locations Community content is available under CC-BY-SA unless otherwise noted.