# Upa (river)

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For a river in the Czech Republic, see [Úpa](/source/%C3%9Apa).

River in Russia

Upa Upa river in Tula Native name Упа (Russian) Location Country Russia Physical characteristics Mouth Oka • coordinates 54°02′07″N 36°20′03″E / 54.03528°N 36.33417°E / 54.03528; 36.33417 Length 345 km (214 mi) Basin size 9,510 km2 (3,670 sq mi) Basin features Progression ‹See Tfd› Oka→ ‹See Tfd› Volga→ Caspian Sea Tributaries • right Plava

The **Upa** ([Russian](/source/Russian_language): Упа́, Russian pronunciation: [\[ʊˈpa\]](https://en.wikipedia.org/wiki/Help:IPA/Russian)) is a river in [Tula Oblast](/source/Tula_Oblast), [Russia](/source/Russia), and one of the main [tributaries](/source/Tributary) of the [Oka](/source/Oka_(river)).

The river is 345 kilometres (214 mi) long, and has a [drainage basin](/source/Drainage_basin) of 9,510 square kilometres (3,670 sq mi).[1] The city of [Tula](/source/Tula%2C_Russia) is situated on its banks. The name of the river is of [Baltic origin](/source/Baltic_languages). This is probably one of the oldest baltic [hydronims](/source/Hydronym). Lithuanian word "upė", latvian word "upe" in English means "river", in russian means "река"; [2]

## References

1. **[^](#cite_ref-gvr_1-0)** [«Река УПА»](http://textual.ru/gvr/index.php?card=178083), Russian State Water Registry

1. **[^](#cite_ref-2)** E.M. Pospelov, *Geograficheskie nazvaniya mira* (Moscow: Russkie slovari, 1998), p. 423: "cf. Lithuanian *ùpė, upìs, upỹs,* Latvian *upe* 'river, stream.'"

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