所在: location. The Japanese noun '所在 (しょざい)' primarily means 'location' or 'whereabouts'. It refers to the place where someone or something is situated. This word is often used in formal or written contexts to indicate the position or existence of something. For example: The location of the treasure is unknown「宝の所在は不明だ」(たからのしょざいはふめいだ). I don't know his current whereabouts「彼の現在の所在はわからない」(かれのげんざいのしょざいはわからない). Additionally, '所在' can sometimes imply a sense of responsibility or duty, as in 'a sense of purpose' or 'where one's duty lies', though this usage is less common.