revised : January 2015

Auberges de Jeunesse (France)
http://www.fuaj.org

Booking.com
http://www.booking.com/index.en-gb.html

Budget Hotels (North America)
http://www.budgethotels.com/

Eurobookings (Hotel Reservations Worldwide)
http://www.eurobookings.com/

Frommer's Guide
http://www.frommers.com/

Hostelling International
http://www.iyhf.org/

Hostels
http://www.hostels.com

Hostels in Europe
http://www.eurotrip.com/hostels/index.html

Hostelz (hostels database)
http://www.hostelz.com/

Hotel Directory in Europe and USA
http://www.venere.com/

Hotel Discount
http://www.hoteldiscount.com

Hotel Finding
http://www.ase.net/

Hotel Guide (Switzerland)
http://www.hotelguide.ch

Hotel Reservation Services
http://www.hrs.de

Hotel Supermarket
http://www.hotelsupermarket.com/

Hotels
http://www.all-hotels.com

Ischia - Hotel Europa
http://www.hoteleuropaischia.it/index_eng.html

Last Minute
http://www.lastminute.com/

SuperBreak (UK)
http://www.superbreak.com/

World Stay
http://www.world-stay.com/

World Tourism Directory
http://www.worldtourismdirectory.com/