REAJ, or Albergues Juveniles España, is a Spanish youth-hostel network that helps travelers discover and book accommodation across the country. Its website brings together hostels in regions throughout Spain, with listings that include locations such as Barcelona, Tenerife, Palma de Mallorca, Murcia, Granada, Cantabria, Navarra and Valencia. Visitors can search by autonomous community and province, explore hostel information and use the immediate-booking option where available.

The organization offers membership cards that provide access to thousands of hostel stays and discounts. Its platform also highlights national and international accommodation and discount options, along with group programs and travel-related resources. These include guided free tours, excursions and activities, travel insurance, birdwatching, a travel blog, and information about cultural and natural heritage. REAJ also promotes youth-focused initiatives, volunteering, competitions and programs connecting photography, inclusion, local heritage and hostels. Travelers can browse news, find featured hostels and subscribe to the newsletter for updates. The site provides contact information, frequently asked questions and details about the organization and its policies.