Montagu House, Whitehall
City of Westminster, United Kingdom · built 1864
Montagu House in Whitehall, Westminster, London, England, was the town house built by John Montagu, 2nd Duke of Montagu (1690–1749), whose country seat was Boughton House in Northamptonshire.
Palace data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).