|Established||2 July 2017|
| • Monarch||John I|
| • Prime Minister||John Timpson|
| • Member of Parliament||John Timpson|
| • Mayor||Steve, Duke of Cascadia|
| • Total||3|
Holderton County is a Baustralian town and serves as the residence of both the Monarch and currently, the Prime Minister. It is part of Comitatus Holdertonus, a county of the province of Holderton in Baustralia. It was established in 2017 as one of His Majesty's Possessions, and merged into one province in January 2018. Its population is recorded as three, consisting of the Duke and Duchess of Cascadia and John Timpson.