Wrocław, situated on the Oder River in Lower Silesia, is the fourth largest city in Poland. Dating back to the 11th century, the city has changed its allegiance and name several times in history, and has been known as Vratislav in Czech and Breslau in German. An important economic and cultural hub of eastern Germany until World War II, it can boast eleven Nobel prize winners who were born or lived in Breslau. The picturesque historic center was destroyed during the Siege of Breslau at the end of the war, but then meticulously rebuilt and is now a popular tourist attraction, along with the Centennial Hall and the Racławice Panorama. Modern Wrocław is a growing high-tech and financial center of Poland. (Full article...)