Hi Atra,

I noted that the Armenian call the region surround them by their local name, I'll list some, maybe it can help you to make the governor titles for Hayasdan.

Region Name in EB / Name of City in EB - Old Armenian

a) Hayasdan / Armavir – Hayasdan
b) Pokr Hayk / Ani-Kamah – Pokr Hayk’
c) Sophene / Karkathiokerta – Cop’k’
d) Aghvan / Kabalaka – Aghuank’
e) Adurbagadan / Phraaspa – Atrpatakan
f) Egrisi / Kotais – Lazistan
g) Kartli / Mtskheta – Vrastan
h) Kappadokia / Mazaka – Kapadovkia
i) Media / Ekbatana - Marastan
j) Persis / Persepolis – Parskastan
k) Assyrie / Eddesa – Asorik’
l) Mesopotamia / Seleukia – Miǰagetk’ (literally “middle river”)

I'll add more if i have the infos.