CERN, the Nuclear Research facility, is located in Meyrin a small town just on the edge of the Geneva, Switzerland city limits. Arrival by train or air, you can find the CERN headquarters within 15 minutes. There are many places to stay around the airport and train station after a tour of the site. CERN was recently mentioned in the Dan Brown novel, Angels and Demons. Check tourism sites for Geneva or the CERN site for information on directions and tours.