A transliteration of the German surname Koch

hometown, the place one comes from / the school from which one graduated / the group or organization from which one comes

(history) West Germany

Dated spelling of ドイツ (“Germany (a country)”).

Germany (a country)

German language

Deutsche mark, the German mark

(history) East Germany

Teutonic Knights

songbun (a system of ascribed status in North Korea, based on one's political, social, and economic background and the behaviour of relatives)