The Oren (alternatively Temerian oren) mostly referred to simply as oren is the official unit of currency in Temeria and monarchies vasals.
Full list of Temerian fiefs and thus users of oren: here
Making the most of your orens Edit
Uses for orens Edit
The oren is still the currency in The Witcher 2, which is rather strange given the fact that a good deal of the game takes place in Aedirn, which uses the mark. The Collector's Edition of the game includes a metal replica of a Temerian Oren.crown takes its place. May sometimes be referred to as gold or money or coin. During Geralt's journey throughout Temeria he may sometimes acquire a few Orens from looting various containers or corpses. These will be kept in his inventory like an ordinary item and may be exchanged for Crowns at the Vivaldi Bank in Novigrad for a one-to-one conversion.