UiMapID

These are unique IDs for zone maps and can be returned from for the current zone or   for the currently viewed map. They can be passed to or. The values are defined in UiMap.db2
 * See InstanceID for identifying map instances instead of UI maps.
 * In Patch 8.0.1 UiMapID replaced WorldMapAreaID and DungeonMapID.
 * World of Warcraft: Classic uses different IDs, available here.