It is estimated that there are currently around 150,000 Japanese last names used in Japan today. A list of the top 100 surnames comprise almost one third the population: Common Japanese Surnames
Zoning, the regulation of the use of real property by local government, restricts a particular territory to residential, commercial, industrial, or other uses. The local governing body considers the character of the property as well as its fitness for particular uses.
Land use is the purpose that humans give to land that they own or settle on. It's the way humans have adapted the natural world to their needs and in what proportions that adapted land is utilized. Zoning is the permissions governments and cities give regarding what can be built on a particular piece of land.