• 千葉県ちばけん — Chiba prefecture
• 県庁けんちょう — prefectural office
• 県民けんみん — residents of a prefecture
• 県立けんりつ — prefectural (institution)
• 県知事けんちじ — prefectural governor
• 県境けんざかい — prefectural border

県 was originally derived from a combination of elements including 首 (head) and 系 (thread). It once referred to administrative divisions of ancient China and came to represent Japan’s modern prefectural system. The radical 目 (eye) symbolizes observation and governance.