It was then known as Shushan .
According to local Jewish traditions , Hamedan is mentioned in the Book of Esther as the capital of Ancient Persia in the days of King Ahasuerus .
Hamedan was then known as Shushan .
According to local Jewish traditions , Hamedan is mentioned in the Book of Esther as the capital of Ancient Persia in the days of King Ahasuerus .