ITMO University's building where classes will take place is situated within walking distance of the main tourist attractions - the State Hermitage Museum, the Winter Palace, Dvortsoviy Bridge, St. Isaac's Cathedral, Nevskiy Prospect, etc. The address is 14 Birzhevaya Liniya, St. Petersburg.
Travel from the student dormitory to ITMO University's classroom by public transport will take you about 30 minutes. The dormitory to the city centre commute takes about the same.
If you chose to stay at the hotel, it will only take you 20 minutes to walk to ITMO University and/or the city centre, including the State Hermitage Museum, Dvortsoviy Bridge, the Winter Palace, St. Isaac's Cathedral, etc.