is a part of the town of Třinec

Trinec

Třinec is a town in Frýdek-Místek District, Moravian-Silesian Region of the Czech Republic. It lies on the Olza River, in the historical region of Cieszyn Silesia. The town has 37,405 inhabitants as of 2009, in 2001 17.7% of the population were Poles...

 in Frýdek-Místek District

Frýdek-Místek District

Frýdek-Místek District is a district within the Moravian-Silesian Region of the Czech Republic. Its administrative center is the city of Frýdek-Místek. It was created by 1960 reform of administrative divisions...

, Moravian-Silesian Region

Moravian-Silesian Region

Moravian-Silesian Region , or Moravo-Silesian Region, is one of 14 administrative Regions of the Czech Republic, until May 2001 it was formerly called the Ostrava Region . The region is located in the north-eastern part of its historical region of Moravia and in most of the Czech part of the...

, Czech Republic

Czech Republic

The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....

, on the Olza River

Olza River

is a river in Poland and the Czech Republic, the right tributary of the Oder River. It flows from the Silesian Beskids through southern Cieszyn Silesia in Poland and Frýdek-Místek and Karviná districts of the Czech Republic, often forming the border with Poland. It flows into the Oder River north...

. It was a separate municipality but later became administratively a part of the town of Třinec

Trinec

Třinec is a town in Frýdek-Místek District, Moravian-Silesian Region of the Czech Republic. It lies on the Olza River, in the historical region of Cieszyn Silesia. The town has 37,405 inhabitants as of 2009, in 2001 17.7% of the population were Poles...

. It lies in the historical region of Cieszyn Silesia

Cieszyn Silesia

Cieszyn Silesia or Těšín Silesia or Teschen Silesia is a historical region in south-eastern Silesia, centered around the towns of Cieszyn and Český Těšín and bisected by the Olza River. Since 1920 it has been divided between Poland and Czechoslovakia, and later the Czech Republic...

and has a population of 17,239 (1 January 2008)..

Until the rapid expansion of Třinec in the 20th century, it was a larger and more populous village than Třinec.