Argelius II

 is a planet which has served as a tourist destination and trading port for over two hundred years.

History

 * In 2267, was the site of a series of murders by the entity Redjac until its discovery and defeat by the crew of the USS Enterprise (NCC-1701)

Other Involvement

 * "The Demon of Whitechapel": Ensign Jacob Black of the USS Pastak mentions the murders on Argelius II while investigating rogue Na'kuhl involvement with Redjac in London, Earth, during the 19th century.