Gb and Great Britain

Great Britain and Gb are semantically related in Britain topic. In some cases you can use "Great Britain" instead a noun "Gb", when it comes to topics like UK.

Great Britain noun - A monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom.

Gb and Great Britain are semantically related in Britain topic. You can use "Gb" instead a noun phrase "Great Britain", if it concerns topics such as UK.