No. Nations are lines drawn on a map. The people inside need have nothing in common other than geographic proximity.
Japan will exist as long as people live there and call it Japan. It has nothing to do with ethnicity, land, culture, or history.
Japan will exist as long as people live there and call it Japan. It has nothing to do with ethnicity, land, culture, or history.
> nation
> A people who share common customs, origins, history, and frequently language
There are nations without states. There are also nation states. The latter is more precise than country which does not imply any dominant ethnic group.