Wadatsumi (disambiguation)


 * 8th Hierarchical City "Wadatsumi" — a Hierarchical City and birthplace of Kokonoe.
 * Wadatsumi castle — block 09 in the 8th Hierarchical City "Wadatsumi".
 * Wadatsumi Mass Vanish Incident — an event that happened 10 years before the events of XBlaze – Code: Embryo.