Flag of Ostrava, Czech Republic The Flag of Ostrava is the official symbol representing the city of Ostrava, located in the eastern region of the Czech Republic. Adopted on July 18, 2006, the flag reflects the historical and cultural heritage of Ostrava, as well as its industrial identity. The design of the flag consists of three horizontal stripes in the proportions 3:4:3. The top and bottom stripes are blue, symbolizing the city’s connection to the Moravian region, while the middle white stripe represents the City of Ostrava itself. A red industrial hammer and a silver (white) mining pick-axe, placed diagonally from the upper hoist-side corner to the lower fly-side corner in the white stripe, represent the city’s industrious past and ongoing economic activities. The flag serves as a visual identifier for Ostrava, appearing on official documents, buildings, and various public events. Its design emphasizes the city’s rich history, its industrial heritage, and its contemporary status as an important cultural and economic center within the Czech Republic.