Recommended accommodation
You will receive information on special rates with your conference ticket.
Hotel Sante: https://hotelsante.pl/en/
Hotel ibis Warszawa Stare Miasto (Old Town): https://all.accor.com/hotel/3714/index.en.shtml
Things to do:
Warsaw Official Touristic Office: https://warsawtour.pl/en/main-page/
Transport:
Public Transport, in Warsaw: https://www.wtp.waw.pl/en/public-transport-step-by-step/