Why has Queen Elizabeth never visited Greece?

In today's video journey, we discuss why Queen Elizabeth has never visited Greece during her entire reign as queen of England. 

Queen Elizabeth II is probably the most well-travelled monarch ever. She has been to 116 countries on official state visits as Queen, but not Greece. Why? 

The Queen has travelled from the tiny island nation of Tuvalu in the Pacific, to Russia, China, Chile, Ghana, Australia and almost everywhere in between. So it may seem surprising that she has never made the relatively short hop over to the birthplace of her husband, Philip, the Duke of Edinburgh. Prince Philip is a "Greek prince," says royal historian Hugo Vickers, so it is an "interesting" omission. Watch to learn more!