| Crown Principality of Tir Mara
|Founded:||January 2009 at Birka
|Location:||Canadian provinces of New Brunswick, Newfoundland and Labrador, Nova Scotia, Prince Edward Island, and Québec.
The Crown Principality of Tir Mara comprises all of the Canadian lands within the borders of the Kingdom of the East. This area is vast, making up around four fifths of the land of the kingdom. As of this writing in AS 48, this territory is still a Crown Principality, with the Crown Prince and Crown Princess of the East being also the Prince and Princess of Tir Mara, until They have found Their heirs.
Champions of Rattan
- AS 44-45 : Conrad MacAllyn (Prince) and Conogan mab Rioc (Princess)
- AS 45-46 : Llywellyn ap Olwyn (Prince) and Spurius Genucia Rutilus (Princess)
- AS 46-47 : Pellandres dit le Frère (Prince) and Big Damn John (Princess)
- AS 47-48 : Angus McHaley (Prince) and Perceval Gower (Princess)
| Eastern Territories
| Crown Principalities/Regions: Tir Mara, Northern Region, Central Region, Southern Region
| Baronies/Provinces: Ostgardr, An Dubhaigeainn, Bergental, Beyond the Mountain, Bhakail, Bridge, Carillion, Carolingia, Concordia of the Snows, Dragonship Haven, Endewearde, Havre des Glaces, Iron Bog, L'ile du Dragon Dormant, Malagentia, Ruantallan, Settmour Swamp, Smoking Rocks, Stonemarche|
Shires: Anglespur, Ar n-Eilean-ne, Barren Sands, Blak Rose, Bois Ardent, Buckland Cross, Caer Adamant, Coill Tuar, Coldwood, Eisental, Frosted Hills, Glenn Linn, Hartshorn-dale, La Selve d'Aure, Lyndhaven, Montevale, Mountain Freehold, Nordenhalle, Northern Outpost, Owlsherst, Panther Vale, Quintavia, Rusted Woodlands, Silver Rylle, Smithwick, Wyndhame
Cantons: Aschehyrst, Black Icorndall, Bowman's Rest, Brokenbridge, Distant Shore, Dragon Forge, Dragon's Aerie, Fennbrycg, Forestgate, Gryphonwald, Hawkes Reache, Ivyeinrust, Keep by the Endless Sea, Lions End, Marwick, Northpass, Ravenhill, Sea Tyger's Rhyn, Seashire, Towers, Whyt Whey, Ynys Y Gwaed
|Other Information: Former Territories, Kingdoms