gm. Młodzieszyn, pow. sochaczewski, woj. mazowieckie

The village was colonized by the Dutch in the first half of the 19th century. In 1886, it had 222 residents and 278 morga in area.

Olszynki is a linear village situated to the west of Młodzieszynka along the dirt road that runs through the village along a east-west line. The homesteads are situated on both sides of the road on a natural rise. The cultural landscape is well preserved - with abundant planted vegetation, drainage canals, and ponds collecting excess water. The dirt roads and fields are planted with willows. No objects of traditional Dutch architecture are present.