Warsaw - official site www.um.warszawa.pl
Warsaw - official site for tourists www.warsawtour.pl
European House of Youth Meetings www.edsm.pl
Youth Hostel 3 Syrenka - Warsaw www.ptsm.pl
Youth Hostel Agrykola - Warsaw www.agrykola-noclegi.pl
Youth Hostel in Puławy www.ssmpulawy.pl
PUBLIC TRANSPORT
Warsaw public transport www.ztm.waw.pl
Warsaw public transport interactive map www.jakdojade.pl
Polish railways timetables rozklad-pkp.pl
Bus travel (Poland) www.pksbilety.pl
Bus travel (Poland, Europe) Polski Bus www.polskibus.com
Chopin Airport Warsaw www.lotnisko-chopina.pl
Modlin Airport (WizzAir, Ryanair) www.modlinairport.pl