Country name: conventional long form: Sultanate of Oman
conventional short form: Oman
local long form: Saltanat Uman
local short form: Uman
former: Sultanate of Muscat and Oman
etymology: the origin of the name is uncertain, but it apparently dates back at least 2,000 years since an "Omana" is mentioned by Pliny the Elder (1st century A.D.) and an "Omanon" by Ptolemy (2nd century A.D.)
Definition: This entry includes all forms of the country's name approved by the US Board on Geographic Names (Italy is used as an example): conventional long form (Italian Republic), conventional short form (Italy), local long form (Repubblica Italiana), local short form (Italia), former (Kingdom of Italy), as well as the abbreviation and the etymology of the name. Also see the Terminology note.
Source: CIA World Factbook - This page was last updated on January 20, 2018