Accommodation is provided in two hotels:
Hotel Olivia **
470 Grunwaldzka Avenue
80-309 Gdańsk
website
Student hotel
Macierzy Szkolnej 4
80-308 Gdańsk
Both locations are very close to the Faculty of Biology (a 10-minute walk range).
There are also other hotels nearby in Oliwa and Wrzeszcz districts you can choose by yourself.