National Road 91 ( el, Εθνική Οδός 91, abbreviated as EO91) is a highway in

Attica Attica ( el, Αττική, Ancient Greek ''Attikḗ'' or , or ), or the Attic Peninsula, is a historical region that encompasses the city of Athens, the capital of Greece and its countryside. It is a peninsula projecting into the Aegean Se ...

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...

. It runs from the centre of

Athens Athens ( ; el, Αθήνα, Athína ; grc, Ἀθῆναι, Athênai (pl.) ) is both the capital and largest city of Greece. With a population close to four million, it is also the seventh largest city in the European Union. Athens dominates ...

Sounio Cape Sounion (Modern Greek: Aκρωτήριο Σούνιο ''Akrotírio Soúnio'' ; grc, Ἄκρον Σούνιον ''Άkron Soúnion'', latinized ''Sunium''; Venetian: ''Capo Colonne'' "Cape of Columns") is the promontory at the southernmost ...

, via Vouliagmeni. It was first constructed in the 1950s as a one lane per direction road, but the section between central Athens and Varkiza was later extended to two lanes per direction. It has many extremely dangerous curves, and accidents happen frequently. Currently, there are no plans to replace it with a bypass or reconstruct certain dangerous parts, but there has been an effort to increase police presence to prevent illegal racing and violation of speed limits which were common phenomena over the last 10 years. The highway becomes busier during the summer, as most of the places it connects are popular vacation spots. The highway also goes past what was Ellinikon International Airport (Athens old airport).

Route

National Road 91 begins in the centre of Athens, and runs southwest to the

Saronic Gulf The Saronic Gulf (Greek: Σαρωνικός κόλπος, ''Saronikós kólpos'') or Gulf of Aegina in Greece is formed between the peninsulas of Attica and Argolis and forms part of the Aegean Sea. It defines the eastern side of the isthmus of Co ...

coast at

Palaio Faliro Palaio Faliro ( el, Παλαιό Φάληρο, ; Katharevousa: Palaion Faliron, Παλαιόν Φάληρον, meaning "Old Phalerum") is a coastal district and a municipality in the southern part of the Athens agglomeration, Greece. At the 2011 c ...

. This section is named

Andrea Syngrou Avenue Andrea Syngrou Avenue ( gr, Λεωφόρος Ανδρέα Συγγρού) is a major road in Athens, linking the city centre with Poseidonos Avenue near the Bay of Faliro. It was planned and built by, and later named for, Andreas Syngros. It ru ...

. From Palaio Faliro it continues southeast along the coast, passing along the southern and southeastern suburbs of Athens. The section between Palaio Faliro and

Varkiza Varkiza (Greek: Βάρκιζα), also Alianthos (Αλίανθος), is a suburb of greater Athens forming part of the municipality of Vari-Voula-Vouliagmeni in southern Attica of the Megalo Daktylo (''Large Finger''). It lies approximately 2 ...

is named

Poseidonos Avenue Poseidonos Avenue ( el, Λεωφόρος Ποσειδώνος), also known as Paraliaki (), is the main coastal road of Athens, Greece. It runs from new Faliro in Piraeus to Glyfada and beyond, traversing all the coastal suburbs of Athens; thus it ...

. National Road 91 passes through the following places: *

Central Athens Central Athens ( el, Κεντρικός Τομέας Αθηνών) is one of the regional units of Greece. It is part of the region of Attica. The regional unit covers the central part of the agglomeration of Greater Athens. Administration As a ...

Nea Smyrni Nea Smyrni ( el, Νέα Σμύρνη, ''Néa Smýrni'', "New Smyrna") is a municipality in South Athens, Greece. At the 2011 census, it had 73,076 inhabitants. It was named after İzmir in Turkey, which Greek's called it as Smyrna, whence many ...

Alimos Alimos ( el, Άλιμος) is a south district of Athens and a municipality in South Athens regional unit, Greece. It was formed in 1968 comprising two settlements, the suburban seaside town of Kalamaki ( el, Καλαμάκι), and the inland comm ...

Elliniko Elliniko ( el, Ελληνικό, meaning "Greek") is a coastal suburb of Athens, Greece. Since the 2011 local government reform, it is part of the municipality Elliniko-Argyroupoli, of which it is a municipal unit. Elliniko is known for the Helli ...

* Glyfada * Voula * Vouliagmeni *

* Agia Marina *

Lagonisi Lagonissi (Greek: Λαγονήσι meaning "jackrabbit island") is a seaside residential area in the southern part of Kalyvia Thorikou in East Attica. It is situated close to the shore and on a peninsula by the Saronic Gulf. Lagonisi is located ap ...

Saronida Saronida ( el, Σαρωνίδα) is a seaside resort village and former community 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 ...

Palaia Fokaia Palaia Fokaia ( el, Παλαιά Φώκαια, meaning Old Phocaea) is a former community and a seaside town in East Attica, Greece. Since the 2011 local government reform it is part of the municipality Saronikos, of which it is a municipal unit. ...

* Legrena *

91 Roads in Attica Streets in Athens {{Athens-stub