國家名稱的分別

http://hk.knowledge.yahoo.com/question/?qid=7006030500558

USA - United States of America (是多個state 而組成的國家)
US - United States (美國的簡稱)
美國通常叫 United States

UK - United Kingdom - (大不列顛及北愛爾蘭聯合王國)
Britain - 通常叫 Great Britain 大不列顛，即英國 (包括英格蘭、威爾士和蘇格蘭)
England - 英格蘭

England 是一個地區，並非國家是在UK 內的。
現時兩個(UK, britain 都可叫)
(北愛爾蘭、威爾士和蘇格蘭 已獨立)

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http://hk.knowledge.yahoo.com/question/?qid=7006061903030

England" is sometimes, wrongly, used in reference to the whole United Kingdom, the entire island of Great Britain (or simply Britain), or indeed the British Isles. This is not only incorrect but can cause offence to people from other parts of the UK. ( Nationality of the British people).

The United Kingdom is itself a shortened form of the more correct term United Kingdom of Great Britain and Northern Ireland. Only Northern Ireland is part of the UK while Southern Ireland is totally sovereign in its own right.

Great Britain is the three mainland countries of Wales, Scotland and England. Wales and Scotland do not share a border while England shares a border with both Wales and Scotland. The three together form an island entirely surrounded by sea. Northern Ireland is across the Irish Sea and not part of Great Britain, it does not share any borders with Great Britain.

美國全名係 United States of America, 叫America 只是簡稱, 有如我們叫中國是 China 一樣, 其實中國全名係 "中華人民共和國"(People's Republic of China).

United Kingdom 是英聯邦國 (英國), 英國由三大邦組成, "英格蘭" (England)是其中一個, 我們稱英國為England, 因為皇室,政府和權力機關在此, 慣稱它, 但嚴格說 England 只是 United Kingdom (UK) 的一部份.