Dęby [ˈdɛmbɨ] is a village in the administrative district of Gmina Lubycza Królewska, within Tomaszów Lubelski County, Lublin Voivodeship, in eastern Poland, close to the border with Ukraine. It lies approximately 3 kilometres (2 mi) west of Lubycza Królewska, 15 km (9 mi) south-east of Tomaszów Lubelski, and 121 km (75 mi) south-east of the regional capital Lublin.