Juggling Campus
Here you can put up your tent (for free :)).

Low budget accomodation
There is also low budget accomodation available:

Dom na Podwalu
Podwale 15
Prizes: from 30 PLN
http://www.domnapodwalu.pl/

Hostel
Lubartowska 60
Prizes: from 35 PLN
http://www.hostellublin.pl/

Bramma Cafe
Grodzka 23
Prizes:  140 PLN / couple
http://www.bramma.pl

Student Hostels of the University of Life Sciences
Langiewicza 12
Prizes: from 25 PLN
http://www.akademiki.up.lublin.pl/

Dom Nauczyciela
Akademicka 4
Prizes: from 40 PLN
http://www.lublin.oupis.pl/hotel/

Guest rooms "Wytchnienie"
ul. Powstańców Śląskich 15
Prizes: from 35 PLN
http://www.noclegi-lublin.pl/


You can also checki: http://www.lublin-online.eu/en