R20 Headquarters
48 Chemin Du Grand Montfleury
CH 1290 Versoix, Geneva, Switzerland
Phone: +41 22 755 65 45
Fax: +41 22 755 65 49
Email: secretariat@regions20.org

R20 France
140 avenue des Champs Elysées
75 008 Paris, France
Phone: +33 613 81 2673
Email: nilic@regions20.org

R20 Med
Route Nationale n°11 – USTO
Bir-El-Djir – Oran 31000 – ALGERIE
Phone/Fax: +213 41 82 94 54
Email: r20med@regions20.org

R20 USA
1223 Wilshire Blvd., #776
Santa Monica, CA 90403
Email: secretariat@regions20.org