The city appears under the word name Ekaterini or Agia Ekaterini in the language of the bureaucracy and until the beginning of the 20th century. Katerini was probably founded during the Ottoman suzerainty.

Litochoro of Olympus
Litochoro of Olympus was founded by the inhabitants of ancient Pimpleia. Ancient Pimpleia was an important cult center of the Pimpleian Muses and belonged to the city of Dion. The ancient settlement was built on the banks of the river Enipeas, but due to frequent flooding the inhabitants were forced to settle in the present