Flēvum, sc. castellum,
a fortress of the Frisii , west of the mouth of the Ems , now Flie or Flieland , Tac. A. 4, 72, v. Orell. ad h. l.
FLEVUM a fortress mentioned by Tacitus (Tac. Ann. 4.72), of which the probable position is given in ...
Dictionary of Greek and Roman Geography