Some countries’ names are quite a mouthful that acronyms are often used to save on space and time. There are 195 countries in the world of which less than ten countries share parts of their names such as the Koreas, Congos, and Guineas. Have you ever wondered where countries got their names from? Well, some countries are named after a prominent personality, a word from a native tribe, geographical feature or location, or a historical event. What is the Longest Country Name in the World? London is the capital city of England and of the United Kingdom.