Line 2 of the Athens Metro runs entirely underground from Anthoupoli in the northwest to Elliniko in the south, via Syntagma.

On 6 April 2013, Line 2 was extended to Anthoupoli in the north west,[2] and on 26 July 2013 to Elliniko to the south.

[7] The first phase of the northern extension may consist of a 4.0 km (2.5 mi) line from Anthoupoli to Agios Nikolaos in 2031, with intermediate stations at Palatiani and Ilion (for Line 4): a second phase may consist of a line from Agios Nikolaos to Acharnes, with intermediate stations at Kamatero and Zefyri (for Athens Suburban Railway trains).

[6][8] Not to be confused Aghios Nikolaos of Line 1 Currently, Hellenic Metro is looking for companies to fund the initial extension to Ilion with major contenders being: TERNA, INTRAKAT, AVAX-GHELLA-ALSTOM, AKTOR-METKA, it is also possible that the EU helps fund this project.

[12] Media related to Line 2 (Athens Metro) at Wikimedia Commons