Masen castle

Masen castle is situated in Birjand County, which is part of Iran. The location text for Masen castle is Birjand County, locating it within Iranian territory. Masen castle’s designation together with its location text links the structure to Birjand County in Iran. By specifying Birjand County, the description of Masen castle identifies it as being within Iran. Thus Masen castle is known to be in Birjand County, Iran.