Żelkowo is a village in the administrative district of Gmina Główczyce, within Słupsk County, Pomeranian Voivodeship, in northern Poland. It lies approximately 11 km west of Główczyce, 18 km north-east of Słupsk, and 96 km west of the regional capital Gdańsk. For the history of the region, see History of Pomerania. The village has a church built in the first half of the 19th century. Near the village there is a hydro power-station on Łupawa river, built in 1906.