Mladá Boleslav (Czech pronunciation: [ˈmladaː ˈbolɛslaf]; German: Jungbunzlau) is a city in the Central Bohemian Region of the Czech Republic. It has about 48,000 inhabitants. It lies on the left bank of the Jizera River. Mladá Boleslav is the second most populated city in the region. It is a major centre of the Czech automotive industry thanks to the Škoda Auto company and therefore the centre of Czech industry as a whole. The city is also a centre of technical education, represented by Škoda Auto University and Secondary Industrial School. Mladá Boleslav was named after Duke Boleslaus II, who founded a gord here. The historic city centre is well preserved and is protected as an urban monument zone. The main historic landmark of the city is the Mladá Boleslav Castle.