What if I ask you: "What country is 'ontario'", or "where is 'ca'"? I would answer: Ontario is a state in Canada and a city in California. CA is the ISO abbreviation for Canada, and also the abbreviation for California. The goal of this gem is such: Given a string, do your very best to identify all possible locations, and order them by significance. Provide as much information as possible; What kind of region is this? Country? City? Island? Continent?