The fastest means of getting around Athens is the Metro. The Athens Metro system consists of 3 lines and connects to the tram, bus routes and suburban railway.
The Metro runs daily from 5 am to midnight. Lines 2 and 3 operate until 2 am on Fridays and Saturdays. At peak hours, trains run every 5-6 minutes.
Athens Metro: Website / Tel. +30 210 519 4012
Line 1 is an overground train (known as ISAP) that runs from the northern suburb of Kifissia to the port of Piraeus. It connects to lines 2 and 3 at three stations (Attiki, Omonia and Monastiraki).
Athens Piraeus Electric Railways: Website / Tel. +30 210 324 8311