The Stanisław Siedlecki Polish Polar Station in Hornsund is located in Isbjornhamna Bay of the Hornsund Fjord. It is located in the southern part of Spitsbergen in the Svalbard Archipelago.

This establishment conducts year-round scientific monitoring and is the northern-most permanent Polish scientific site.

It is managed by the Institute of Geophysics of the Polish Academy of Sciences.