The place is called Babel since that is where the Lord confused the language of the whole world. So the Lord caused them to spread out from there over the whole world.
Those who lived in the lands around the Mediterranean Sea came from these sons of Japheth. All the families grew and became different nations, each nation with its own land and its own language.
God began by making one person, and from him came all the different people who live everywhere in the world. God decided exactly when and where they must live.
Suppose the whole church meets together and everyone speaks in different languages. If some people come in who do not understand or do not believe, they will say you are crazy.