Czołnowo [t͡ʂɔu̯ˈnɔvɔ] is a settlement in the administrative district of Gmina Supraśl, within Białystok County, Podlaskie Voivodeship, in north-eastern Poland.
[1] It lies approximately 6 kilometres (4 mi) north-east of Supraśl and 21 km (13 mi) north-east of the regional capital Białystok.
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