A Preliminary Study on the identification, Evolution and Protection of Historical Geographic Names in China

Historical geographic names belong to geographic names, which divide into the names that are still in use and those disappeared. Due to natural elements or human elements, historical geographic names continuously evolved. So far, there are six different types. In consideration of their significances, it is high time to protect historical geographic names. As for the protections, it should be based on the types of the evolution of the historical geographic names.