Hostelling International is a non-governmental , not - for - profit organisation working with United Nations Educational , Scientific and Cultural Organisation UNESCO and the World Tourism Organisation UNWTO .
HI has over 4,000 affiliated hostels around the world .
HI   is a non-governmental , not - for - profit organisation working with United Nations Educational , Scientific and Cultural Organisation UNESCO and the World Tourism Organisation UNWTO .
HI has over 4,000 affiliated hostels around the world .