FIFA inspectors will visit Krasnodar, Rostov-on-Don and Sochi in April-June to observe preparations for the World Football Championship of 2018.
They will study infrastructure, socio-economic development, concept of hosting the championship, investment program, efficient use of sports heritage of the championship.
Cities are expected to change their status from candidates to organizers in October.
13 cities may host the games: Moscow, St. Petersburg, Kaliningrad, Nizhny Novgorod, Yaroslavl,Samara, Kazan, Volgograd, Saransk, Sochi, Krasnodar, Rostov-on-Don, Yekaterinburg.