The zone forecast mentions: "chance of rain 60 percent." the correct way to interpret the forecast is:

The likelihood that it is going to rain in this certain area is 60%.

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.