The United Kingdom (official name: the United Kingdom of Great Britain and Northern Ireland) is made up of four countries, which are united under one monarch and government. These countries are England, Scotland, Wales, and Northern Ireland. The population of the United Kingdom is 66.04 million(2017), the capital is London.

大不列颠及北爱尔兰联合王国（ United Kingdom of Great Britain and Northern Ireland），简称联合王国（ United Kingdom，缩写作(UK）或不列颠（ Britain），中文通称「英国」

英国（大不列颠及北爱尔兰联合王国的正式名称）由四个国家组成，这四个国家由一个君主和政府统一。 这些国家是英格兰England，苏格兰Scotland，威尔士Wales和北爱尔兰Northern Ireland. 英国人口为6604万(2017),英国的首都是伦敦

London is the capital and largest city of England and the United Kingdom. The River Thames travels through the city. London is the biggest city in western Europe, and the world's largest financial centre.

England

Area: 130,395 km²

Population: 55.62 million (2017)

伦敦是英格兰(England)和英国的首都和最大城市. 泰晤士河穿越城市. 伦敦是西欧最大的城市，也是世界上最大的金融中心.

英格兰

面积：130,395平方公里

人口：5562万（2017年）

Cardiff is the capital of Wales and its largest city. The eleventh-largest city in the United Kingdom, it is Wales's chief commercial centre, the base for most national cultural institutions.

Wales

Area: 20,779 km²

Population: 3.125 million (2017)

加的夫是威尔士(Wales)的首都及其最大的城市. 它是英国第十一大城市，是威尔士的主要商业中心，也是大多数国家文化机构的基地.
威尔士

面积：20,779平方公里

人口：312.5万（2017年）

Edinburgh  is the capital city of Scotland ,The city has long been a centre of education, particularly in the fields of medicine, Scots law, literature, philosophy, the sciences and engineering. It is the second largest financial centre in the United Kingdom.

Scotland

Area: 80,077 km²

Population: 5.425 million (2017)

爱丁堡是苏格兰(Scotland)的首都，该市长期以来一直是教育中心，特别是在医学，苏格兰法律，文学，哲学，科学和工程领域. 它是英国第二大金融中心.

面积：80,077平方公里

人口：5425万（2017年）

Northern Ireland

Area: 14,130 km²

Population: 1.871 million (2017)

贝尔法斯特是北爱尔兰(Northern Ireland)的首都和最大城市. 它也是爱尔兰岛上的第二大城市（仅次于都柏林，爱尔兰共和国的首都），是英国第十五大城市.

北爱尔兰

面积：14,130平方公里

人口：187.1万（2017年）

British culture is influenced by the nation's history; its predominantly Christian religious life, its interaction with the cultures of Europe, the traditions of England, Wales, Scotland and Ireland, and the impact of the British Empire. Although British culture is a distinct entity, the individual cultures of England, Scotland, Wales and Northern Ireland are diverse and have varying degrees of overlap and distinctiveness.

The United Kingdom is a developed country and has the world's fifth-largest economy by nominal GDP and ninth-largest economy by purchasing power parity. It has a high-income economy and has a very high Human Development Index rating, ranking 14th in the world. It was the world's first industrialised country and the world's foremost power during the 19th and early 20th centuries.  The UK remains a great power, with considerable economic, cultural, military, scientific and political influence internationally.

英国文化受到国家历史的影响; 它主要是基督教的宗教生活，与欧洲文化的互动，英格兰，威尔士，苏格兰和爱尔兰的传统，以及大英帝国的影响. 虽然英国文化是一个独特的实体，但英格兰，苏格兰，威尔士和北爱尔兰的个体文化是多种多样的，并且具有不同程度的重叠和独特性.

英国为发达国家，以名义GDP为量度是世界第五大经济体，以购买力平价为量度是世界第九大经济体。英国是世界的首个工业化国家，在1815年-1914年間为世界第一强国 ，现今仍是強國之一，在全球范围内的经济、文化、军事、科技和政治上有显著影响力.