Buckingham Palace

E1

Buckingham Palace, the British monarch's present principal official residence, in London, was originally built as a hunting lodge by Tudor King Henry VIII.

Windsor Castle

E2

Windsor Castle was built not as a palace but retains the massive walls of a major military fortification, erected while Anglo-Norman England absorbed its Celtic neighbors

Palace of Holyroodhouse

E3

The Palace of Holyroodhouse in Edinburgh is the British monarch's barely known official residence in Scotland.