く 区 Common word JLPT N1 Wanikani level 15 Play audio LinksSentence search for 区Sentence search for くKanji details for 区Edit in JMdict Noun1. ward; borough; city (in Tokyo)Noun2. district (e.g. electoral); section; zone (e.g. postal)See also 郵便区 Discussions Log in to talk about this word.