Slavonia is Croatian region located on the very north-east of Croatia. It cover the area between River Sava and Drava and borders with river Danube (Dunav) on the East. Slavonia is a flat and fertile area so it's important source of food for whole of Croatia

An introduction to Slavonia as travel destination is here:
http://www.find-croatia.com/slavonia/Travel to Osijek info page is here:
http://www.find-croatia.com/osijek/Enjoy
