The Instruch (russian: Инструч; german: Inster; lt, Įsrutis, Įsra; pl, Wystruć) is a
river
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of ...
in
Russia
Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...
's
Kaliningrad Oblast
Kaliningrad Oblast (russian: Калинингра́дская о́бласть, translit=Kaliningradskaya oblast') is the westernmost federal subject of Russia. It is a semi-exclave situated on the Baltic Sea. The largest city and admin ...
. It begins northeast of
Dobrovolsk and, along with the river
Angrapa
The Angrapa (, , , ) is a river that begins in northeastern Poland and ends in the Kaliningrad Oblast of Russia. Originating in Lake Mamry, it joins the 101-km-long Instruch at a point near Chernyakhovsk – variously assessed as lying 140, 1 ...
, forms the
Pregolya
The Pregolya or Pregola (russian: Прего́ля; german: Pregel; lt, Prieglius; pl, Pregoła) is a river in the Russian Kaliningrad Oblast exclave.
Name
A possible ancient name by Ptolemy of the Pregolya River is Chronos (from Germanic * ...
near
Chernyakhovsk.
Prior to 1945, the river was part of
German
German(s) may refer to:
* Germany (of or related to)
**Germania (historical use)
* Germans, citizens of Germany, people of German ancestry, or native speakers of the German language
** For citizens of Germany, see also German nationality law
**Ge ...
East Prussia
East Prussia ; german: Ostpreißen, label= Low Prussian; pl, Prusy Wschodnie; lt, Rytų Prūsija was a province of the Kingdom of Prussia from 1773 to 1829 and again from 1878 (with the Kingdom itself being part of the German Empire from 187 ...
. The town of Insterburg (now Chernyakhovsk) was named after the river's German name, ''Inster''.
Rivers of Kaliningrad Oblast
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