The United Kingdom, Great Britain and England (and a whole lot more)
We once featured an Euler diagram that explained the British Isles, the United Kingdom, and Great Britain. This video explains all that clearly but quickly, then goes on to explain the British Empire, the Crown Colonies, Crown Dependencies, and other terms that confuse Americans and others who don't deal with such geographical concepts every day. If this goes too fast for you, the script is available from C. G. P. Grey. Link -via reddit
