Poznań is a city on the Warta River in west-central Poland, in the Greater Poland region. It is best known for its renaissance Old Town and Ostrów Tumski Cathedral. Today, Poznań is an important cultural and business centre and one of Poland's most populous regions with many regional customs such as Saint John's Fair, traditional Saint Martin's croissants and a local dialect.
Poznań is the fifth-largest and one of the oldest cities in Poland. The city's population is 538,633, while the continuous conurbation with Poznań County and several other communities is inhabited by almost 1.1 million people. The Larger Poznań Metropolitan Area is inhabited by 1.3–1.4 million people and extends to such satellite towns as Nowy Tomyśl, Gniezno and Września, making it the fourth largest metropolitan area in Poland. It is the historical capital of the Greater Poland region and is currently the administrative capital of the province called Greater Poland Voivodeship.
Poznań is a center of trade, sports, education, technology and tourism. It is an important academic site, with about 130,000 students and Adam Mickiewicz University, the third largest Polish university.