Łuków is a city in eastern Poland with 30,727 inhabitants. Since 1999, it has been situated in the Lublin Voivodeship, previously it had belonged to the Siedlce Voivodeship. It is the capital of Łuków County. The town has an area of 35.75 km2, of which forests make up 13%. Łuków is located on the Southern Krzna river, at approximately 160 meters above sea level.