Persia and Asia Region
Many cities in Western Persia (Iran) had Syriac Orthodox dioceses and communities and they were under the jurisdiction of the Syriac Orthodox Maphrianate of the East. Below is a partial list of them and it includes cities in more eastern countries
Aphrah
Azerbaijan: a vast territory whose boundaries extended from the Caspian Sea in the east to Lake Van in the west.
Bahrain
Beth Parsaye
Ghinghin Talas: A town in China
Herat (Afghanistan)
Khorasan
Maraga: A most famous town of Azerbaijan, south of Tabriz and east of Lake Urmia.
Sistan
Sus: a town in Khuzistan (Ahwaz); the ancient Susa.
Tabriz (Tawriz): a very famous town of Azerbaijan.
Tiflis: an old city in Georgia, in Russia.
Urmia: in north western Persia
Yarcan: A town in China