Jastarnia (German: Heisternest) is a small town in Pomeranian Voivodship, Poland. It is located on the Hel Peninsula at around 54°42′0″N, 18°40′0″E. Pomeranian Voivodship, also Pomorze Voivodship (Polish: województwo pomorskie) is an administrative region or voivodship in northern Poland within the historic region of Eastern Pomorze. ... Hel Peninsula as seen from Landsat satellite in 2000 Hel Peninsula (Polish Mierzeja Helska) is a 35 km long and sand-bar peninsula in northern Poland separating the Bay of Puck from the open Baltic Sea. ...