You can also check hotels listed at the city's webpage.
Additionaly we recommend following hotels in Gliwice:
Student hostel "Sezam"
There are available some rooms at student hostel “Sezam” (89a Pszczyńska Street). The price per room (for one person) is 100 PLN (about 25 EUR). No breakfast is available, but there's a shop near the hostel. Rooms have individual bathrooms and refrigerators. Payment only in cash at the hostel. From the hostel to the conference center you can go on foot in 15-20 minutes.
The number of places in the hostel is limited.