In October 1918, "Superb" and her sister ship, , were transferred to the Mediterranean Fleet and "Superb" became the flagship of its commander, Vice-Admiral Sir Somerset Gough-Calthorpe, upon her arrival at Mudros on 31 October. The ship led an Allied squadron that entered the Ottoman capital, Constantinople, on 13 November, following the Armistice of Mudros. A month later, Gough-Calthorpe tasked "Superb" to provide a crew for the , which had been turned over to the Allies by the Germans after the Armistice of 11 November. On 4 December, the ship conveyed Gough-Calthorpe to Odessa, Russia, to inspect the situation there; he made another such visit to Port Said, Egypt, in late March 1919.