| Style | His/Her/Their Highness |
| First Holder | Lysos I Adrastos |
| Final Holder | Lysos V Adrastos |
| Appointer | Hereditary, absolute primogeniture |
The King of Archoria was the primary title of House Adrastos before the Pelegonic Conquest.
Kings of Archoria
- Lysos I, the first King of Archoria and briefly the ruler of the Isle of Lament
- Archos I, his son and successor, whose long and peaceful reign ensured that Archoria would be a major regional power. The city of Archoria is named for him.
- Bernice II Adrastos, whose long and conflict-ridden regency led to the secession of House Seablood
- Xuthos I Adrastos
- Lysos V Adrastos, the final King of Archoria, swore fealty to Pelegon I and was named King of the Arcazon