the central part of a country, historically, commonly known as the capital city or the main region, where an emperor or other ruler resides / something within a country

(historical or contemporary) any of several kingdoms, empires, or states of the Chinese people

a surname

saving, conservation

ministry

ministry, government department, office / Chinese province

government ministry / Chinese province

【Conjunction】after; on the basis of; upon

upper, over

the first volume in a two- or three-volume set