Koltsovo International Airport is the international airport serving Yekaterinburg, Russia, located 16 km (10 mi) southeast of the city. Being the largest airport in Sverdlovsk Oblast, Koltsovo also serves nearby towns such as Aramil, Sysert, and Polevskoy. In general, the airport is responsible for serving approximately 4,290,000 people. The airport is a hub for Ural Airlines, RusLine and Aviacon Zitotrans.