Río San Juan Koān
Río San Juan Koān (Se-pan-gâ-gí: Departamento de Río San Juan) sī Nicaragua ê chi̍t ê koān.
| Río San Juan Koān Departamento de Río San Juan |
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| — Koān — | |||
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| Kok-ka |  Nicaragua
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|---|---|---|---|
| Siú-hú | San Carlos | ||
| Bīn-chek | |||
| - Lóng-chóng | 7,541 km2 | ||
| Jîn-kháu | |||
| - Lóng-chóng | 95,596 lâng | ||
