City of Ostrava is the residential town of the Region with over 300.000 inhabitants. Ostrava is the third-largest city in the Czech Republic, situated 10 km from the border with Poland and 50km from the border with Slovakia. It was formerly a heavy industrial city and now it is the most important traffic and business center of Northern Moravia and Silesia and one of the most important knowledge centres of the Czech Republic. There are three universities – one of them is a well known Polytechnical University. Ostrava is also a cultural city with four theaters, galleries and is famous for holding of concerts, festivals and sport events.