Prepa was an inland town of ancient Bithynia inhabited during Roman times. Its name does not occur in ancient authors, but is inferred from

epigraphic Epigraphy () is the study of inscriptions, or epigraphs, as writing; it is the science of identifying graphemes, clarifying their meanings, classifying their uses according to dates and cultural contexts, and drawing conclusions about the wr ...

and other evidence. Its site is located near Ekşioğlu in Asiatic Turkey.

References

Populated places in Bithynia Former populated places in Turkey History of Kocaeli Province Roman towns and cities in Turkey {{Kocaeli-geo-stub