Country, County, State or Province (Y)
| Country, County, State or Province | Capital City or Admin Centre |
|---|---|
| Yamalo-Nenets (Russia) | Salekhard |
| Yamanashi (Japan) | Kofu |
| Yanggang-do (North Korea) | Hyesan |
| Yaracuy (Venezuela) | San Felipe |
| Yatenga (Burkina Faso) | Ouahigouya |
| Yemen | Sana'a |
| Yogyakarta (Indonesia) | Yogyakarta |
| Yonne (France) | Auxerre |
| Yoto (Togo) | Tabligbo |
| Yucatan (Mexico) | Merida |
| Yugoslavia | Belgrade |
| Yukon Territory (Canada) | Whitehorse |
| Yon-lin (Taiwan) | Tou-liu |
| Yunnan (China) | Kunming |
| Yvelines (France) | Versailles |
