This source names Iran directly: "and the high priesthood of Zoroastrian Iran, since holding a religious office is the common thread rather than any one tradition."
Source Divinity Atlas Directory Prose, First Edition Category Descriptions
Rome, Cities This source names Rome directly: "the temple officials of pre-Christian Rome and the high priesthood of Zoroastrian Iran, since holding a religious office is the common thread rather than any one tradition."
Source Divinity Atlas Directory Prose, First Edition Category Descriptions