|Regional unit||East Attica|
|• Municipal unit||14.478 km2 (5.590 sq mi)|
|Elevation||15 m (49 ft)|
|• Municipal unit||6,202|
|• Municipal unit density||430/km2 (1,100/sq mi)|
|Time zone||UTC+2 (EET)|
|• Summer (DST)||UTC+3 (EEST)|
Anavyssos (Greek: Ανάβυσσος) is a town and a former municipality in East Attica, Greece. Since the 2011 local government reform it is part of the municipality Saronikos, of which it is a municipal unit. The municipal unit has an area of 14.478 km2. At the 2011 census it had 6,202 inhabitants. It is part of Athens metropolitan area.
It is situated near the Saronic Gulf coast, at the foot of the Olympos hill (487 m). It is 2 km north of Palaia Fokaia, 4 km east of Saronida, 10 km west of Lavrio and 34 km southeast of Athens city centre. The Greek National Road 91 (Athens - Sounion) passes south of the town, along the coast.
Anavyssos is located on the area of the ancient Attica's demos of Anaflystos (Ανάφλυστος), which has shown significant archaeological findings like Kroisos Kouros that is exhibited in the National Archaeological Museum of Athens.
Anavyssos is the place where Elias Venezis, one of the most important Greek novelists of the 20th century located his 1939 novel 'Tranquility' (Γαλήνη). Today Anavyssos is a major coastal resort of Attica famous for water-sports, the town sees its population tripled during the summer months.
In addition to the main part of the town, Anavyssos includes a number of satellite settlements such as Mavro Lithari, Paralia Anavyssou, Lakka, Alykes etc.
- "Απογραφή Πληθυσμού - Κατοικιών 2011. ΜΟΝΙΜΟΣ Πληθυσμός" (in Greek). Hellenic Statistical Authority.
- Kallikratis law Greece Ministry of Interior (in Greek)
- "Population & housing census 2001 (incl. area and average elevation)" (PDF) (in Greek). National Statistical Service of Greece. Archived from the original (PDF) on 2015-09-21.
- "The 'Serenity' of the new homeland".