Średnica — grove in Postawy powiat Wilno Voivodeship of Polish Republic (Second Rzeczpospolita, 1920-1939).
Information presented on the Radzima.net: 
Catholic parish to which the grove Średnica belonged at the beginning of the 20th century;
metrical books of the Catholic parish on births, marriages and deaths (with indication of years, fund, inventory and archive where parish registers kept);
Location of the grove Średnica
— geographic coordinates and depiction of the grove Średnica on early-20th-century detailed maps, modern maps, and satellite imagery (Google Maps). Administrative affiliation of the grove Średnica
— the administrative-territorial units to which the settlement belonged in different historical periods:— Polish Republic (Second Rzeczpospolita, 1920-1939), Catholic parish to which the grove Średnica belonged at the beginning of the 20th century;
metrical books of the Catholic parish on births, marriages and deaths (with indication of years, fund, inventory and archive where parish registers kept);
This information is available for registered users with a Premium plan.
