Let's find it out with the help of History! Since the 13th century, travellers as well as maps, record the existence of a settlement called Hatera (Atira). It was an important center in the greater area around Mt.Olympus, probably in the area of which may have been the origin of the modern name of the town Katerini (Hatera, Katheri, Kateri, Katerini). We hope you enjoy reading it.