Lillium or Lillion (), or Lileon or Lileum (Λιλεόν), or Lilaeus or Lilaios (Λίλαιος), was a commercial town ( emporium) on the
Black Sea
The Black Sea is a marginal sea, marginal Mediterranean sea (oceanography), mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bound ...
coast of
ancient Bithynia
Bithynia (; ) was an ancient region, kingdom and Roman province in the northwest of Asia Minor (present-day Turkey), adjoining the Sea of Marmara, the Bosporus, and the Black Sea. It bordered Mysia to the southwest, Paphlagonia to the northeast a ...
, 40 stadia to the east of Dia. It is possible that the place may have derived its name from the Lilaeus, which
Pliny the Elder
Gaius Plinius Secundus (AD 23/24 79), known in English as Pliny the Elder ( ), was a Roman Empire, Roman author, Natural history, naturalist, and naval and army commander of the early Roman Empire, and a friend of the Roman emperor, emperor Vesp ...
mentions among the rivers of Bithynia.
Its site is located east of
Akçakoca
Akçakoca is a town in Düzce Province, in the West Black Sea Region of Turkey, located about 200 km east of Istanbul. It is the seat of Akçakoca District.Asiatic Turkey.