T: +41 22 767 4020
24/7 hotline: +41 75 411 4998
UNITAR, International Environment House
11-13 Chemin des Anémones,
CH-1219 Châtelaine, Geneva - Switzerland
UNOSAT / UNITAR
European Organization for Nuclear Research (CERN)
Reception Building 33,
385 Route de Meyrin
1217 Meyrin, Switzerland
The main office of UNOSAT is located on the CERN site in Meyrin, Geneva, on the border between Switzerland and France.
All persons entering the CERN site must be in possession of a card issued by CERN certifying that they are authorised to do so.
Arriving during normal working hours, a temporary pass can be obtained at the Registration Service in Building 55, (Main Entrance of the Meyrin site), open to the public on weekdays from 7:30 to 16:00 nonstop or at the reception in Building 33 (8.00 a.m. to 17.45 p.m.)