Bielsko-Biała (listen) is a city in southern Poland with a population of approximately 170,663 as of 2019 and an area of 124.5 sq km. The city is a centre of the Bielsko Urban Agglomeration with 325,000 inhabitants and is an industrial (automotive), transport, and tourism hub of the Bielsko Industrial Region. Located north of the Beskid Mountains, Bielsko-Biała is composed of two former cities on opposite banks of the Biała River, Silesian Bielsko and Lesser Poland's Biała, which merged in 1951. Between 1975-1998, it was the seat of the Bielsko Voivodeship. Currently, the city lies witihn the Silesian Voivodeship.