1. Warsaw
Warsaw is the biggest city in Poland, and it is the best city to start your journey in Poland. The old town (stare miasto) is one one of the most beautiful town square in Warsaw. There are a lot of cafes , churches, bars, castles, and much more.... It is a really great place for having fun.
In Warsaw there are a lot of beautiful parks. For example is the Lazienki Park. Inside the park you can see a lot of statues, trees, castles, museums and much more. You can feel free to enjoy your life.
For you, that like history, you can visit the Warsaw Uprising Museum. Enjoy your time in Warsaw!