Kifisias railway station is a station located on Kifisias Avenue in Marousi, a municipality of the regional unit of North Athens, Attica, Greece, located in the median strip of the Attiki Odos motorway. It was first opened on 30 July 2004, along with the first section of the Athens Airport–Patras railway, and is located in the median strip of Motorway 6, at the interchange of Kifisias Avenue, from which the station is named. The station consists of an island platform and a train storage line. In the future, it will meet with Metro Line 4, through Paradise Station, which is planned to open after 2035.

Marousi or Maroussi, also known as Amarousio (Αμαρούσιο), is a city and a suburb in the northeastern part of the Athens urban area, Greece. Marousi dates back to the era of the ancient Athenian Republic; its ancient name was Athmonon (Ἄθμονον) and it represented one of the 10 Athenian sub-cities. The area held a main ancient temple, where Amarysia Artemis, the goddess of hunting, was adored. Consequently the city's modern name derives from that of the goddess, Amarysia, which denotes the origin of the worship back in Amarynthos, Euboea. Its mayor is Theodoros Ampatzoglou, re-elected in 2023.