It is called tripoli by the Greeks and means 3 cities because it was the capital of a Phoenician Federation of 3 cities who were Sidon, tyre and plough. Greek Tripoli was founded aproximadammente in the 7th century a.CExiste, however the Tripoli, capital of Libya and was named so Libya poque belonged to Phoenicia had 3 main cities: OAS, Leptis Magna and Sabrata