Krapina has been known since 1193. It has always been a favorite site for castles and country houses of Croatian and Hungarian rulers.. In the first half of the 15th century, it was an important center of the Counts of Celje, who additionally fortified the town and expanded the nearby castle.
Eridu was long considered the earliest city in southern Mesopotamia. Located 12 km southwest of Ur, Eridu was the southernmost of a conglomeration of Sumerian cities that grew around temples, almost in sight of one another. These buildings were made of mud brick and built on top of one another.