Disponible solo en inglés

T: +41 22 767 4020 (UNOSAT Operations)
T: +41 22 767 4137 (UNOSAT Management)
F: +41 22 766 9145

24/7 hotline: +41 76 487 4998

Post address

Palais des Nations
CH-1211 Geneva 10

Visiting address

International Environment House
Chemin des Anémones 11-13
CH-1219 Châtelaine, Geneva - Switzerland

  1. UNOSAT at IEH, Châtelaine
  2. UNOSAT at CERN, Meyrin

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.)

How to get to CERN