Domes were built as part of royal palaces, castles, caravansaries, and temples, among other structures. The city had well-laid out gardens, monuments, mosques, temples, bazars, churches and caravansaries. Imamzadah architectural complex, Ismail Khan's bathhouse, Khan's home, caravansaries, and bathhouses were built in Ordubad. Caravansaries used the domed bay from the Sasanian period to the Qajar dynasty. Caravansaries have been used for trading as well as accommodation of business people.