Western Astria was a continent on Esria. It was comprised of the Astran Isles and a large part of the mainland leading to the east. It was an extremely diverse region containing frozen northlands and a far warmer climate at its southernmost reaches. It contained the following:
- The Astran Isles
- Kingdom of Vesryn (312 A.E - 1456 B.E)
- Empire of Greater Vesryn (1457 B.E)
- Medolan Republic of Esmera and Aldinor
- Ostia
- Territory of Ostia (1068 H.E - 1353 C.E)
- Kingdom of Ostia (1353 C.E - 1457 B.E)
- Valgran
- Saint-Astan
- Holy State of Saint-Astan (535 H.E)
- Kingdom of Auvais-Chane (530 A.E)
- Leoben
- Kingdom of Leoben (251 A.E)
- Medira
- Republic of Medira
- Olkhun
- Bektaigar Khanate of Olkhun (1232 C.E)