Wenceslas Square is Prague’s main boulevard, and the centre for hotels, shops, bars, restaurants, banks & casinos. It is an extremely popular place for tourists to stay, as most of Prague's sights & attractions lie within easy walking distance.
Wenceslas Square was laid out over 600 years ago and ever since has been a regular parade ground for all kinds of organisations and political parties. Wenceslas Square can comfortably hold up to 400,000 people! (pragueexperience.com)