Nor Shirakan
Nor Shirakan, Parskahayk or Persarmenia, was the seventh province of the ancient kingdom of Armenia, situated on the western shore of Lake Urmia, bordered on Adiabene and Atropatene, now in northwestern Iran. Following the partition of Greater Armenia between the Roman Empire and Sassanid Empire in 387, the territory under Sassanid influence came to be known as Persarmenia. The region of Arzanene, traditionally part of Lesser Armenia, also became part of Persarmenia.
Zarehavan was the centre of the province.
Persarmenia had nine cantons:
