| 公国 | gōng guó | duchy / dukedom / principality | ![]() |
| 阿斯图里亚斯 | A1 sī tú lǐ yà sī | Asturias, northwest Spanish autonomous principality on the bay of Biscay / ancient Spanish kingdom from which the reconquista was based | ![]() |
| 列支敦士登公国 | liè zhī dūn shì dēng gōng guó | the Principality of Liechtenstein | ![]() |
| 摩纳哥公国 | mó nà gē gōng guó | the Principality of Monaco | ![]() |
| 安道尔公国 | ān dào ěr gōng guó | the Principality of Andorra | ![]() |
| 赫特河公国 | Hè tè hé Gōng guó | Principality of Hutt River (formerly Hutt River Province) | ![]() |
