Athanasiou Diakou Street (Greek: Οδός Αθανάσιου Διάκου, Odos Athanasiou Diakou), named after the Greek War of Independence hero Athanasios Diakos, is a short but wide central street in Athens linking Vasilissis Amalias Avenue and Andrea Syngrou Avenue, it is a small branch linking with Vouliagmenis Avenue where it ends along with Kallirois and Arditou Streets which links with Vasileos Konstantinou Avenue. It also contains a small intersection with Iosif Rogou Street which is used for local traffic. Its total length is only nearly 200 m.

Residential buildings lie on the southwest side and forests lie to the northeast side.

v t e Streets in Athens
Major streets	3 Septemvriou Street Agiou Konstantinou Street Aiolou Street Akadimias Street Alexandras Avenue Amalias Avenue Andrea Syngrou Avenue Athanasiou Diakou Street Athinas Street Athinon Avenue Acharnon Street Benaki Street Ermou Street Ioanninon Avenue Iera Odos Kallirois Avenue Katechaki Avenue Kifisias Avenue Kifissou Avenue Konstantinoupoleos Avenue Lenormant Street Makri Street Mavromichali Street Mesogeion Avenue Michalopoulou Street Mitropoleos Street Pangratiou Street Panepistimiou Street Patission Street Patsi Street Peiraios Street Petrou Ralli Avenue Rizari Street Sofokleous Street Stadiou Street Vasileos Konstantinou Avenue Vasilissis Sofias Avenue Vouliagmenis Avenue
Secondary and local streets	Antigonis Street Dionysiou Areopagitou Street Eynardou Street Fokionos Negri Street Herodou Attikou Street Kallirois Street Lykourgou Street Pandrossou Street Petmeza Street Santarosa Street Veikou Street Voukourestiou Street
Main squares	Kolonaki Square Kotzia Square Monastiraki Square Omonoia Square Syntagma Square
Suburban roads	Alimou Street Athinas Avenue Ulof Palme Street Doukissis Plakentias Avenue Poseidonos Avenue Thiseos Street
Highways	Attiki Odos (Aigaleo Beltway Hymettus Beltway)
List of streets in Athens List of streets in Attica List of streets in Greece