The name of the village of Poškonys (Poškai, Poškaučizna) is derivered from the oldest descendant of the family living in the area Jurgis Poškonis (Jerzy Paskaniec) name, written on the 1713 document of the Grand Duchy of Lithuania. In addition to it, the document also lists the names of 5 homestead owners.

The village of Poškonys is an architectural monument. The oldest rural street is the most valuable from an architectural and historical point of view. There are 23 homesteads built in the end of XIX century - beginning of the XX century remaining. 9 of

them are monuments, consisting of 23 monumental buildings. The old homesteads are located high between the two valleys of the tributaries of the river Gauja.

The directorate of Dieveniškės Regional Park is located in the old school building. The Poškonys ethnographic museum, which houses a museum exposition of traditional crafts and household items from Dieveniškės region, works there too. Here you can see utensils and farm tools collected in Dieveniškės area from the end of XIX century - beginning of XX century. The museum has an exposition of looms, bedspreads, tablecloths, towels and sets of sashes of selected patterns. The fabric exposition is designed to introduce people with fabric patterns, color combinations and weaving tools.