What's uncle's wife's name?

Auntie, there is a place called Auntie.

Uncle's wife should be called aunt, and uncle is aunt.

But nowadays people are generally young, especially women, and no one should like to listen to their aunts.

They are your parents' brothers and sisters, your uncles and aunts, your elders, and you are a family. The formal address of an uncle's wife should generally be called aunt.

Of course, in some places, there are people who are used to calling their aunts or uncles, which is a bit different.

Every place in China has its own specific customs and habits, as well as its own specific names, with subtle differences. But on the whole, these names are basically understandable. Uncle can also be called uncle. Different regions may have their own custom names and different regions have different names.