Main Residences:
* Buckingham Palace: Her primary London residence, used for state occasions, official meetings, and public events. It's also where she lived for most of her reign.
* Windsor Castle: The world's oldest and largest inhabited castle, considered her "favorite home." It's used for private and public events, and was where she spent much of her time during the COVID-19 pandemic.
* Balmoral Castle: A private estate in the Scottish Highlands, where the Queen spent her summer holidays and enjoyed her personal time.
Other Residences:
* Holyrood Palace: The Queen's official residence in Scotland, used for state visits and official events.
* Sandringham House: A private estate in Norfolk, where the Queen spent Christmas and the New Year.
* Kensington Palace: Though not a primary residence for the Queen, this palace houses members of the Royal Family, including the Duke and Duchess of Cambridge.
Other Important Locations:
* The Palace of Westminster: The Queen officially opens each new session of Parliament at this building, also known as the Houses of Parliament.
Note: Since the Queen's passing, King Charles III has assumed these official residences, and it's possible that he might use them differently.