Bolsheboldinsky Koān
| Bolsheboldinsky Koān Большеболдинский район |
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| — Koān — | |
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| Kok-ka |  Lō͘-se-a
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| Chiu | Nizhny Novgorod Chiu |
| Bīn-chek | |
| - Lóng-chóng | 866.5 km2 |
| Jîn-kháu | |
| - Lóng-chóng | 11,051 lâng |
| Bāng-chām | www |
Bolsheboldinsky Koān (Lō͘-se-a-gí: Большеболдинский район) sī Lō͘-se-a Nizhny Novgorod Chiu ê chi̍t ê koān (raion).