Ostrava is a vibrant city located in the North-East of the Czech Republic. Historically, the city used to be known as Moravská Ostrava, and it's also referred to as the "steel heart" of the country. The city is famous for its diverse culture, architecture, and extraordinary landmarks. For instance, Stodolní street, a popular nightlife destination, is known as the Czech Republic's longest bar. Besides, the city is also known for its excellent transport links and easy accessibility to other parts of Europe. Therefore, synonyms for Ostrava could include a cultural gem, steel heart, transport hub, architectural marvel, and nightlife hotspot.