CASC 2021 is hosted by Sirius Mathematics Center. The Center uses the facilities of the Omega Sirius Park Hotel and the Sirius Park of Science and Art. Both are located between Sochi Olympic Park and the former Olympic Village near the Black Sea coast (10 minutes by walk from the "Olympic Village" train station or 15 minutes by taxi from Sochi International Airport). The conference sessions will take place in the Sirius Park of Science and Art (Olimpiyskiy prospekt, 1, 354349 Adler, Russia). Please see the presentation for more details about the venue.
The primary accommodation option is Omega Sirius Park Hotel, located next to the conference venue. We also recommend (20-30 minutes walk):Hotels in Sochi.