Great Britain refers to the island of Great Britain and surrounding smaller islands. It has a population of around 61 million and is part of the United Kingdom. The main languages spoken in Great Britain are English, Welsh, and Scottish Gaelic. Some cultural aspects discussed in the document include British greetings like handshakes, British currency, British food, festivals and holidays celebrated, and the importance of sports in British culture. The document also provides information on British government, cities, jobs, marriage customs, and general superstitions in Great Britain.