These five countries of Central and Eastern Europe have a long  period of common history.  Namely Austria, Hungary, Czech republic and Slovakia had been combined in one   Austro-Hungarian empire for many centuries;  Poland has not been an integral part of the empire, however, the common influence and ties has also been strong. 

The architecture – especially of the large cities, capitals is very similar, too. 
The countryside differs much more in terms of architecture, culture and traditions…even within the same country.

Thus, if you really want to have a feeling of Central Europe and Eastern, make the trips outside the capitals….it is definitely worth! more ...