Triman consists of 5 provinces: Gradoslavl, Kardomir, Drevnedub, Jereman and Ledoslavl. In addition, the tzar has territories under his direct control to the east and north of the capitol Jarslav.
Here you can read about the lands beyond Triman: link
Map drawn by Lev Bolotnij, steward of the tsars castle during the reign of tsar Vsevolod