Istra () is a river in

Moscow Oblast Moscow Oblast ( rus, Моско́вская о́бласть, r=Moskovskaya oblast', p=mɐˈskofskəjə ˈobləsʲtʲ), or Podmoskovye ( rus, Подмоско́вье, p=pədmɐˈskovʲjə, literally "under Moscow"), is a federal subject of Rus ...

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

. It is a left tributary of the Moskva. It is long, and has a drainage basin of .«Река ИСТРА»
Russian State Water Registry The town of Istra is located on it.

References

Rivers of Moscow Oblast {{Russia-river-stub