Prague Old Town is the place where the most iconic landmarks of Prague are located. The Old Town Square, which is surrounded by the Astronomical Clock, the Church of Our Lady before Tyn and St. Nicolas church, is known as "the heart of Prague".
How do you explore this part of Prague historical city centre? e recommend starting from the Powder Tower, going through Celetna street and turning right behind the Tyn church to see the Ungelt courtyard. From there it is easy to get to the Prague Jewish Quarter and come back to the Old Town Square through the Paris street.
Of course, to complete your Prague visit, you should see the Charles Bridge! From Prague Town Hall take it to the Karlova street and walk until you reach Vltava river.
The best idea, though, is to get lost in the Old Town's narrow winding passages for a while. Enjoy its cobbled streets and beautiful architecture!