What is united kingdom defined?

The United Kingdom is a sovereign state located in northwestern Europe, consisting of England, Scotland, Wales, and Northern Ireland. It has a parliamentary form of government with a constitutional monarchy, where Queen Elizabeth II is the head of state. The capital of the UK is London, which is also the largest city. The official language of the UK is English. The UK has a population of approximately 67 million people and is the 22nd most populous country in the world. It is a member of the European Union, the United Nations, and NATO. The UK's economy is one of the largest in the world and is dominated by the service sector, with significant contributions from manufacturing and tourism. The currency of the UK is the pound sterling. The UK has a rich cultural heritage, with significant contributions to literature, art, music, and fashion.