The best options by car, train, bus and flight to get to Wrocław
https://www.wroclawguide.com/en/how-to-get-to-wroclaw/
Useful information all about public transport in Wrocław
https://www.wroclawguide.com/en/more-than-just-bus-and-tram-all-about-public-transport-in-wroclaw/