By A Mystery Man Writer
Category:Maps of fictional countries on Earth - Wikimedia Commons
File:Basic shape of Listenbourg fictional country black.svg
Category:Listenbourg - Wikimedia Commons
List of Internet phenomena - Wikipedia
Wikipedia:Unusual articles - Wikiwand
File:Basic shape of Listenbourg fictional country.svg - Wikimedia
Wikipedia:Unusual articles - Wikipedia
List of Internet phenomena - Wikipedia
Wikipedia:Unusual articles - Wikipedia
File:Fictional country location in Europe.svg - Wikimedia Commons
Wikipedia:Unusual articles - Wikipedia
File:Europe with and without Listenbourg fictional country grayscale