Olszanki is a village in the administrative district of Gmina Kodeń, within Biała Podlaska County, Lublin Voivodeship, in eastern Poland, close to the border with Belarus. It lies approximately 4 kilometres (2 mi) west of Kodeń, 34 km (21 mi) south-east of Biała Podlaska, and 100 km (62 mi) north-east of the regional capital Lublin.