Palexpo is a convention center in Geneva, Switzerland. The buildings are owned by the canton of Geneva while the company is a semi-private foundation. The center is located close to Geneva Cointrin International Airport. There are seven halls, and 102,000 square metres of exhibition space. The Salon International de l'Auto is held at Palexpo. In early 2009, the Palexpo underwent a renovation project to enhance and improve the convention center's architecture, furnishings and technology. During this renovation, the Palexpo Wi-Fi network was upgraded using Xirrus wi-fi arrays to provide wireless internet for all employees and guests.