Where are we?

This morning I visited the Krakow market square
   Yesterday we were in the Tatra Mountains near Zakopane
This afternoon we will visit the Royal Palace in Warsaw,
    It is very interesting to see the students in the library of the University of Warsaw sitting at computers looking for information
Famous people like Madame Curie and Pope John PabloII  were born in this country
    Its flag is white and red