Hi guys.  Just in case this hasn't been discussed yet (both links ATM have different content :-/ )

http://www.linuxdays.cz/english/

http://www.linuxdays.cz/cs/

The conference will be held at the 

Faculty of Information Technology of Czech Technical University in Prague (FIT ČVUT). 

More precisely, in the new building at Thákurova 9, Prague 6 – Dejvice