The Kazan Federal University has an agreement with several hotels nearby the University about a special reduced price. So, the Organizing Committee can recommend the following hotels to your attention (please find more details on https://www.booking.com):
Ibis Kazan Hotel ***
Pravo-Bulachnaya Str. 43/1, 420111 Kazan, Russia
Tatarstan Hotel ***
Pushkina Ulitsa 4, 420107 Kazan, Russia
Regina na Universitetskoy ***
Universitetskaya Street, 9, 420111 Kazan, Russia
Osobnyak na Teatralnoy ***
Teatralnaya Ulitsa 3, 420111 Kazan, Russia
Besides the above variants, you may yourself choose appropriate city hotels/hostels/apartments.
NOTICE! Since the end of August is a top tourist season in Kazan, we strongly recommend you to make a choice of your accommodation as soon as possible. In case you would choose a hotel from the above list, please inform the organizers in order they reserve a room for you with a special price.