This is the 2463rd most frequent Chinese word.
怀化
Huaihua: A city in Hunan Province, China.
In this sentence, "怀化" is used as a proper noun to refer to the city name.
怀化是一个美丽的城市。
Huaihua is a beautiful city.
Here, "怀化" is used as a geographical location where the action of moving occurred.
我的朋友已经搬到了怀化。
My friend has moved to Huaihua.
In this example, "怀化" indicates the context or setting of the news being discussed.