Elizabeth II is Queen of the United Kingdom
and the 15 other Commonwealth realms.
Along with being Queen, Her Majesty holds many other titles
Her main titles from birth to the present day are;
From 21 April 1926 – 11 December 1936: Her Royal Highness Princess Elizabeth of York
11 December 1936 – 20 November 1947: Her Royal Highness The Princess Elizabeth
20 November 1947 – 6 February 1952: Her Royal Highness The Princess Elizabeth, Duchess of Edinburgh
Since 6 February 1952: Her Majesty The Queen
Elizabeth has held many titles & honorary military positions throughout the Commonwealth, is Sovereign of many orders in her own countries, & has received honours & awards from around the world.
In each of her realms she has a distinct title that follows a similar formula: Queen of Jamaica & her other realms & territories in Jamaica, Queen of Australia & her other realms & territories in Australia, etc.