When visiting Istria, be sure to also take a look at the countryside away from the coast. Arriving by car alongside the river Mirna, below is a picture of Motovun, a little medieval city on a hilltop.
Medieval Motovun in Istria - Croatia
On the hilltop you have a great view on the Mirna valley and surrouding mountains.
Motovun hilltop view
Motovun is also the place where you can eat some delicious meals with the local truffles that are found in the woods surrounding Motovun.
Pasta with truffles in Motovun