It's a micronation like Sealand and Hutt River at best.
(Speaking of which, why do four micronations get to be issuers on the catalogue country list but others are entirely in tokens? Can someone explain the sorting procedure to me please?)
Liberland, officially the Free Republic of Liberland, is a micronation claiming an uninhabited parcel of disputed land on the western bank of the Danube, between Croatia and Serbia. It was proclaimed on 13 April 2015 by Czech right-libertarian politician and activist Vít Jedlička