The Commander-in-Chief, Plymouth was a senior commander of the Royal Navy for hundreds of years. Plymouth Command was a name given to the units, establishments, and staff operating under the admiral's command. Between 1845 and 1896, this office was renamed Commander-in-Chief, Devonport. The Commanders-in-Chief were based in what is now Hamoaze House, Devonport, Plymouth from 1809 to 1934 and then at Admiralty House, Mount Wise, Devonport from 1934 until 1996.