Siderka
Siderka [ɕiˈdɛrka] is a village in the administrative district of Gmina Sidra, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 5 kilometres (3 mi) north of Sidra, 22 km (14 mi) north of Sokółka, and 57 km (35 mi) north of the regional capital Białystok.
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