Chalandri (Greek: Χαλάνδρι, Ancient Greek: Φλύα, Phlya, also Halandri, Khalandri) is a town and a suburb in the northern part of the Athens agglomeration, Greece. It is a municipality of the Attica region.

Chalandri is a suburb in Northern Athens, around 12 kilometres (7 miles) from the centre; its location corresponds with one of the 10 ancient demes (boroughs) of Athens, known as Phlya (Greek: Φλύα). The municipality has an area of 10.805 km. Chalandri was a small village until the rapid expansion of Athens during the 1960s and 1970s. Its built-up area is now continuous with those of the neighbouring suburbs Filothei, Marousi, Vrilissia, Agia Paraskevi, Cholargos, Neo Psychiko and Psychiko. Nevertheless, it has still a high ratio of open green areas per citizen in the Athens agglomeration. Several embassies are based in Chalandri. It is one of the largest suburbs in terms of population, with more than 70,000 residents. It holds an independent municipality status since 1944. Chalandri is served by the Chalandri, Agia Paraskevi, Doukissis Plakentias as well as Nomismatokopio and Cholargos metro station (the latter two being shared with Papagou-Cholargos).

According to the Köppen Climate Classification system, Chalandri has a warm-summer Mediterranean climate, abbreviated "Csa" on climate maps.

• Agia Varvara
• Ano Chalandri
• Doukissis Plakentias (Neo Chalandri)
• Kato Chalandri
• Patima
• Metamorfosi
• Polydroso
• Rizarios
• Toufa (or Fragoklisia)
• Sidera
• Synoikismos
• Center Chalandri

Year	Population
1981	54,320
1991	66,285
2001	71,684
2011	74,192
2021	77,102

The village was historically Arvanitika speaking, with 3,000 Arvanites inhabiting it, however due to its proximity to Athens, it has undergone a language shift. After the 1922 Asia Minor Catastrophe and the 1923 Greco-Turkish population exchange, some Greek refugees settled in the town.

American Community Schools is located in Chalandri.

Sport clubs of Chalandri with presence in Greek national divisions are AE Chalandriou (Athlitiki Enosi Chalandriou), GS Chalandriou (Gymnastikos Syllogos Chalandriou) and Nireas Chalandriou. The municipality of Chalandri has also created an extensive channel of sports installations such as tennis courts, football pitches, volleyball and basketball indoor and outdoor courts and also an indoor and outdoor olympic-size swimming pool in order to enhance the athletic spirit of the inhabitants.

Also, due to the geographical convenience of the area of Chalandri there is an extensive bike route, covering the neighbourhoods from Doukissis Plakentias metro station, to Vrilissia and Gearakas area, reaching until Chalandri downtown city centre, providing safe transportations for families and individuals improving the life level of the area.

Sport clubs based in Chalandri
Club	Founded	Sports	Achievements
AE Chalandriou	1939	Football	Earlier presence in Beta Ethniki
GS Chalandriou	1981	Basketball	Presence in Beta Ethniki basketball
Nireas Chalandriou	1989	Water Polo	Earlier presence in A1 Ethniki

• List of municipalities of Attica

• Official website (in Greek)