Prosna ' is a village

Village

A village is a clustered human settlement or community, larger than a hamlet with the population ranging from a few hundred to a few thousand , Though often located in rural areas, the term urban village is also applied to certain urban neighbourhoods, such as the West Village in Manhattan, New...

 in the administrative district of Gmina Korsze

Gmina Korsze

Gmina Korsze is an urban-rural gmina in Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland. Its seat is the town of Korsze, which lies approximately north-west of Kętrzyn and north-east of the regional capital Olsztyn....

, within Kętrzyn County

Ketrzyn County

Kętrzyn County is a unit of territorial administration and local government in Warmian-Masurian Voivodeship, northern Poland, on the border with Russia. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest...

, Warmian-Masurian Voivodeship

Warmian-Masurian Voivodeship

Warmian-Masurian Voivodeship, or Warmia-Masuria Province , is a voivodeship in northeastern Poland. Its capital and largest city is Olsztyn...

, in northern Poland. It lies approximately 9 kilometres (6 mi) north-west of Korsze

Korsze

Korsze is a town in Kętrzyn County, Warmian-Masurian Voivodeship, Poland, with 4,724 inhabitants . It is a railroad junction, located along the major Olsztyn - Ełk - Białystok line, with less important connections to Bartoszyce and Skandawa....

, 27 km (17 mi) north-west of Kętrzyn

Ketrzyn

Kętrzyn , is a town in northeastern Poland with 28,351 inhabitants . Situated in the Warmian-Masurian Voivodeship , Kętrzyn was previously in Olsztyn Voivodeship . It is the capital of Kętrzyn County...

, and 64 km (40 mi) north-east of the regional capital Olsztyn

Olsztyn

Olsztyn is a city in northeastern Poland, on the Łyna River. Olsztyn has been the capital of the Warmian-Masurian Voivodeship since 1999. It was previously in the Olsztyn Voivodeship...

.

Before 1945 the area was part of Germany (East Prussia

East Prussia

East Prussia is the main part of the region of Prussia along the southeastern Baltic Coast from the 13th century to the end of World War II in May 1945. From 1772–1829 and 1878–1945, the Province of East Prussia was part of the German state of Prussia. The capital city was Königsberg.East Prussia...

).

The village was first mentioned in 1376 by Winrich von Kniprode

Winrich von Kniprode

Winrich von Kniprode was the 22nd Grand Master of the Teutonic Knights. He was the longest serving Grand Master, holding the position for 31 years ....

 as property of the Leunenburg family. In 1490 Barbara von Leunenburg married Botho von Eulenburg and the village from then on remained the property of the von Eulenburg family until 1945.
The manor house was initially built in 1610–1620 and restructured by the Polish brethren

Polish Brethren

The Polish Brethren were members of the Minor Reformed Church of Poland, a Nontrinitarian Protestant church that existed in Poland from 1565 to 1658...

 Jan Josef Gozdawa Naronowicz-Naronski in 1667–68. A last major reconstruction happened in the 1860s in Neogothic style; the tower was added in 1875. The manor was not destroyed throughout World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

but is ruined today.

The village has a population of 277.