Crait

Crait was a location which hosted an outpost of the Alliance to Restore the Republic, until its abandonment prior to the Battle of Scarif.

Behind the scenes
Crait was first mentioned in Star Wars: Rogue One: The Ultimate Visual Guide, a reference guide for the 2016 film Rogue One: A Star Wars Story, written by Pablo Hidalgo and released on December 16, 2016.