Eirini (Greek: Ειρήνη), also known as Irini on signage, is a station on Line 1 of the Athens Metro. It is adjacent to the Athens Olympic Sports Complex in Marousi, a northern suburb of Athens, Greece, 20.850 kilometres (12.956 mi) from the starting point of the line at Piraeus. It opened on 3 September 1982 and was renovated in 2004.^{[citation needed]}