The Yeni Valide Mosque (Turkish: Yeni Valide Camii) is an Ottoman mosque in the Üsküdar district of Istanbul, Turkey. It was built between the 1708 and 1710 on the iskele (dock) road by Emetullah Râbi’a Gülnûş Sultan, mother of Sultan Ahmed III. The main part of the building is square in shape and covered with a flattened main dome and four half domes. The mosque has two minarets with two balconies each. Calligraphy inside the mosque is the work of Hezarfen Mehmet Efendi.