Map of cities with 2015 Passport Service hosts
Passport Service is a hosting service. It is an important Esperanto service and for many people the reason to start learning Esperanto. It publishes a directory of people from all over the world who offer to own a copy of that list (who also need to know Esperanto) to stay in their homes for free. In 2008 there were 1225 hosts in Passport Service in 90 countries.
