Okolice Konstancina is a Polish historical portal and community archive documenting the history and culture of the Nadwiślańskie Urzecze region, particularly the areas around the Jeziorka River and the Vistula. It brings together material about Konstancin, Skolimów, Jeziorna, Mirków, the former paper mill, Piaseczno and nearby communities. Its articles explore local history from early times through the medieval and modern periods, the world wars and the postwar years, as well as subjects such as regional traditions, migration, industry and notable residents.

The portal also serves as an archive of local memories and historical sources. Visitors can explore photographs, documents, maps, plans, newspapers, pamphlets, books, interviews, memoirs, music and film. Additional features include a history podcast, documentaries, historical curiosities, crime chronicles and coverage of local cultural activity. Content is organized by topic, place, period and author, making the site a resource for residents, researchers and anyone interested in the heritage of the Konstancin area and the wider Urzecze region.