a prefecture in the 中国 (Chūgoku) region of Japan facing the Seto Inland Sea and the Sea of Japan; its capital city is also 山口 (Yamaguchi)

beautiful

Yamaguchi (a prefecture of Japan) / Yamaguchi (the capital city of Yamaguchi Prefecture, Japan) / a surname

(archaic) beautiful

place, location / site (location designated for some purpose) / space, room / a seat / (sumo) tournament

one thing

a type of administrative district, including 43 of the 47 prefectures of modern Japan, Chinese counties, French departments, etc.

Short for 日本国 (Nihon-koku): Japan (a country and archipelago in East Asia) / a surname

Japan

(archaic) Japan