The Senior Naval Officer, Persian Gulf, was a Royal Navy command appointment who was responsible for administering the Persian Gulf Station military formation including its establishments and naval forces known as the Persian Gulf Squadron later called the Persian Gulf Division. Initially located at Basidu, Qishm Island, in Persia (c. 1823–1850–1935), then Henjam Island in Persia (1911–1935), and finally Ras Al-Jufair, Bahrain (1935–1972). The Persian Gulf Station encompassed the Persian Gulf and Straits of Hormuz.