Poznań is a city in west-central Poland with over 578,900 inhabitants (2002). Located by the Warta River, it is one of the oldest cities in Poland, making it an important historical centre and a vibrant centre of trade, industry, and education. Poznań is Poland's fifth largest city and fourth biggest industrial centre. It is also the administrative capital of the Greater Poland Voivodeship. The annual Malta Theater festival is probably the most characteristic cultural event of the city. There are also Henryk Wieniawski Violin Competition (held every 5 years), and Classical Music Festival (annual).