Ciosna [ˈt͡ɕɔsna] is a village in the administrative district of Gmina Strzałkowo, within Słupca County, Greater Poland Voivodeship, in west-central Poland.

[1] It lies approximately 7 kilometres (4 mi) north-east of Strzałkowo, 6 km (4 mi) north of Słupca, and 67 km (42 mi) east of the regional capital Poznań.

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