- Source: Koin, Guinea
- Guinea (koin)
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- Koin, Guinea
- Koin
- Tougué Prefecture
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- Imamate of Futa Jallon
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Koin (Pular: 𞤂𞤫𞤧-𞤯𞤢𞤤ðž¤ðž¥…𞤪𞤫 𞤑𞤮𞤴ðž¤ðž¤²) is a town and sub-prefecture in the Tougué Prefecture in the Labé Region of northern-central Guinea.
The town has a total area of about 0,964 square kilometers or 0,372 square miles. Koin was one of the nine Diiwe (provinces) of the theocratic Kingdom of Fuuta Jaloo.