egonation

Etymology
Ego (Latin I "the self") + micronation

Origin obscure. The Sovereign Principality of Corvinia's A glossary of micronational terms claims—without attribution—that the term has been "in use since at least 1997".

Noun

 * 1) A micronation with only one citizen or one active participant; a one man nation.

Synonyms

 * egostan