EsperantujO

Esperantujo isn't a country at all.

But when two people are speaking EsperantO? (the international language) they are in Esperantujo. Although geographicaly they are in spain, russia, or canada.

Esperantujo may have two inhabitants or 500 and it is everywhere. Maybe even in your local town.

See also: http://www.esperanto.org