I love Japan.

Ancient Japan was a place where beautiful nature and culture merged.

I live in Japan.

He told me the whole story of the incident.

He is interested in toponymy.

He has a deep interest in toponymy.

His toponymic surname indicates the region from which his family originates.

I am from Fukuoka Prefecture.

He has already finished writing the report, so we use the present perfect form.

Right now, I am in Tokyo.