Zalesie [zaˈlɛɕɛ] is a village in Biała Podlaska County, Lublin Voivodeship, in eastern Poland. It is the seat of the gmina (administrative district) called Gmina Zalesie. It lies approximately 18 kilometres (11 mi) east of Biała Podlaska and 104 km (65 mi) north-east of the regional capital Lublin.