In 1815–1846 it belonged to the Free City of Kraków, which was annexed by Austria and merged with Kingdom of Galicia and Lodomeria.
Jaworzno was placed into the Silesian Voivodeship (province) effective January 1, 1999, under the Local Government Reorganization Act.
In 2006 Jaworzno and 14 neighboring cities formed a multimunicipal structure, the Upper Silesian Metropolitan Union.
Jaworzno remained a small village, located in western Lesser Poland, near the much larger and more important town of Chrzanów.
After Austria seized Silesia at the end of the 17th century, several coal mines were developed near Jaworzno.
In 1847 a new railway line connected Jaworzno's Szczakowa district with Kraków and Prussian Upper Silesia.
Following the joint German-Soviet invasion of Poland, which started World War II in September 1939, the town was occupied by Germany.
[9] After the war, the town was restored to Poland, although with a Soviet-installed communist regime, which stayed in power until the Fall of Communism in the 1980s.
The communists converted the former Nazi German subcamp of Auschwitz into the Central Labour Camp Jaworzno.
Its population quickly grew, when thousands of migrants came here in search of work at coal mines, power plants, and other factories.
Although most towns of pre-1975 Chrzanów County returned to Lesser Poland, Jaworzno was attached to the Silesian Voivodeship in 1999.
Jaworzno has environmentally valuable areas which as a group present a diversity of landscapes and vegetation as well as a richness of flora and fauna.
[citation needed] The city of Jaworzno has many sporting facilities at the Europe-wide level and offers a rich variety of educational and cultural activities.