|System of Government:||Monarchy|
|Head of State:||Grand Duke Nagi Daí Artai (anime)|
Arashi Daí Artai (manga)
|Seat of Government:||Kokuyouguu?|
The Artai Principality (アルタイ公国) is a state on the planet of Earl in the Mai-Otome universe. It is located in the north of the planet.