From the financial hub of the Cayman Islands to the rugged natural beauty of South Georgia, British Overseas Territories (BOTs) might ring a bell - but do you truly grasp what they are?

British Overseas Territories: how you can visit or even live in one of these tax-free havens ... Three Atlantic islands under a single flag but with their own councils and cultures.

The British Overseas Territories are not part of the UK, but are under British dominion and the UK is responsible for their defence, international relations and good governance.