Carcassone will host the European Nations Cup final on 5 November. The six-nation tournament is missing defending champions England, who have opted for internationals against France and New Zealand instead.
Their place has since been taken by Georgia, who beat Serbia and Holland in the qualifying competition.
Wales, Ireland and Scotland are among the favourites to win the event, which starts on 15 October with a match between France and Russia.
Tournament schedule:
October 15: France v Russia (Arles)
October 16: Wales v Scotland (Bridgend)
October 23: Russia v Georgia (Moscow)
October 23: Scotland v Ireland (Glasgow)
October 29: Ireland v Wales (Dublin)
October 30: Georgia v France (Tbilisi)
November 5: Final (Carcassonne).