Jarosławiec is a village situated in north-western Poland within the West Pomeranian Voivodeship. It falls under the administrative district of Gmina Postomino, located in Sławno County. The settlement rests on the Slovincian Coast, a distinct geographical feature within the historic region of Pomerania. Its location places it in close proximity to the Baltic Sea coast, defining its regional character and setting.

The village is historically known by the German name Jershöft, reflecting its past within the broader context of Pomeranian history. While specific founding dates are not detailed in the available records, the area has evolved from a historic settlement into a recognized administrative unit. The preservation of its dual linguistic heritage highlights its position at the intersection of Polish and German cultural influences over time.

A defining landmark of Jarosławiec is the Health resort & Medical SPA Panorama Morska. This recreational compound covers an area of ten hectares and serves as a major focal point for visitors. Situated approximately 350 metres from one of the most beautiful beaches on the Polish Coast, the facility offers more than 400 modern rooms equipped with private bathrooms. The complex features a large water park open all year, including an external swimming pool complex with hot water and sun loungers.

The primary appeal for visitors is the resort's access to coastal recreation and wellness facilities. The proximity to the beach allows guests to enjoy the natural beauty of the Slovincian Coast while utilizing the extensive amenities provided by the medical spa. The year-round availability of the water park ensures that the location remains a viable destination regardless of the season, catering to those seeking relaxation and therapeutic treatments near the sea.

Jarosławiec lies approximately 13 km north-west of Postomino and 22 km north-west of Sławno. It is located 180 km north-east of the regional capital Szczecin, providing a clear geographical reference for travelers navigating the region. As of 2021, the village has a population of 410 residents. The local economy appears closely tied to the tourism and hospitality sectors driven by the coastal resort infrastructure.