Biryusinsk is a town in Irkutsk Oblast

Irkutsk Oblast

Irkutsk Oblast is a federal subject of Russia , located in southeastern Siberia in the basins of Angara River, Lena, and Nizhnyaya Tunguska Rivers. The administrative center is the city of Irkutsk. Population: -History:...

, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, located on the right bank of the Biryusa River

Biryusa River

Biryusa is a river in Irkutsk Oblast, Russia. The Biryusa is 1,012 km long, with a drainage basin of 55,800 km².The river has its sources in the far southwestern areas of Irkutsk Oblast, at 2,500 meter altitude, on the northern slopes of the Sayan Mountains. From the source area the...

 (Angara

Angara River

The Angara River is a long river in Irkutsk Oblast and Krasnoyarsk Krai, south-east Siberia, Russia. It is the only river flowing out of Lake Baikal, and is the headwater tributary of the Yenisei River....

's basin), 682 kilometres (423.8 mi) northwest of Irkutsk

Irkutsk

Irkutsk is a city and the administrative center of Irkutsk Oblast, Russia, one of the largest cities in Siberia. Population: .-History:In 1652, Ivan Pokhabov built a zimovye near the site of Irkutsk for gold trading and for the collection of fur taxes from the Buryats. In 1661, Yakov Pokhabov...

. Administratively

Administrative divisions of Irkutsk Oblast

*Ust-Orda Buryat Okrug**Districts:***Alarsky ****with 17 rural administrations under the district's jurisdiction.***Bayandayevsky ****with 12 rural administrations under the district's jurisdiction....

, Biryusinsk is under the jurisdiction of the nearby town of Tayshet

Tayshet

Tayshet is a town and a railroad junction in Irkutsk Oblast, Russia. Population: Here the Baikal Amur Mainline begins, branching northeast from the Trans-Siberian Railway...

. Population:

It was founded as the work settlement

Urban-type settlement

Urban-type settlement ; , selyshche mis'koho typu ) is an official designation for a type of locality used in some of the countries of the former Soviet Union...

 of Suyetikha named after the Suyetikha River. It was granted town status in 1967 and renamed Biryusinsk after the Biryusa River.

Biryusinsk's industrial enterprises include a timber

Timber

Timber may refer to:* Timber, a term common in the United Kingdom and Australia for wood materials * Timber, Oregon, an unincorporated community in the U.S...

 factory and a hydrolysis

Hydrolysis

Hydrolysis is a chemical reaction during which molecules of water are split into hydrogen cations and hydroxide anions in the process of a chemical mechanism. It is the type of reaction that is used to break down certain polymers, especially those made by condensation polymerization...

plant.