郡
ぐん · gun · JLPT N3 · noun
state
🏘️ 郡 = 君 lord + 阝 town: the towns one lord governs
The right side 阝 is a short form of 邑, meaning settlement or town. Put a lord 君 over towns and you get a district or county. The reading gun comes from 君 kun, which is also where the character's sound comes from.