ざいきょう 在京 Common word LinksSentence search for 在京Sentence search for ざいきょうKanji details for 在 and 京Edit in JMdict Noun, Suru verb, Intransitive verb, Noun which may take the genitive case particle 'no'1. being in the capital (i.e. Tokyo, or formerly Kyoto) Discussions Log in to talk about this word.