The planet ch'Nahir is a Romulan planet. The Romulans consider it one of the 'Edgeworlds' -- one of the original colony worlds inside their homespace.

Following the destruction of the Eisn System (including the planets of Romulus and Remus) caused by the unusual Hobus supernova in 2387, ch'Nahir was one of several planets to form a new government independent of the Romulan Star Empire and Romulan Republics.