A
| Ancient name | Location | Modern name | Also known as |
| Abdera | Thrace | Avdira | |
| Abila | 13 km north-northeast of Irbid, Jordan | abandoned | Abila Dekapoleos, Abila (Greek: Ἄβιλα), Seleucia(Greek: Σελεύκεια), Seleuceia, Seleukeia, Seleukheia |
| Abila Lysaniou | Coele-Syria | abandoned | Abila Lysaniae, Abila |
| Abydos | Hellespont | abandoned | |
| Acanthus | Egypt | Dashour | Akanthos (Greek: Ἄκανθος) |
| Acanthus | Athos | Ierissos | Erisso |
| Acharnae | near Acharnes and Ano Liosia, about 10 km north of Athens | ||
| Actium | mouth of the Ambracian Gulf | Punta, abandoned | |
| Aegae | northern Greece, close to modern Vergina | abandoned | Aigai |
| Aegina | island in the Saronic Gulf, 17 miles (27 km) from Athens | ||
| Aegium | Achaea, Greece | Aigio (Αίγιο) | Egio, Egion |
| Aenus | Turkish Thrace | Enez | Poltyobria, Poltymbria |
| Agrinion | Aetolia-Acarnania, 3 km south-west of modern Agrinio | abandoned | Agrinium |
| Aigosthena | Attica | abandoned | Egosthena |
| Akragas | Sicily | Agrigento | Agrigentum, Kerkent, Girgenti |
| Akrai | Sicily | Palazzolo Acreide | Acrae |
| Akrillai | Hyblaean Mountains, south-eastern Sicily | Chiaramonte Gulfi | Acrillae, Gulfi |
| Akroinon | western Turkey | Afyonkarahisar | Hapanuwa, Nicopolis, Kara Hissar, Afyon, Karahisar-i Sahip, Afium-Kara-hissar, Afyon Karahisar |
| Akrotiri | Thera/Santorini, Greece | ||
| Alalia | Corsica | Aléria | Aleria, Alaliē (Ἀλαλίη) |
| Alexándreia (Ἀλεξάνδρεια) | northern Egypt | Alexandria | al-Iskandariyya, Rakotə, Eskendereyya (اسكندريه) |
| Alexandretta | southern Turkey | İskenderun | al-'İskandarūn (الإسكندرون) |
| Alexandria in Arachosia | southern Afghanistan | Qandahar | |
| Alexandria in Ariana | western Afghanistan | Herat | |
| Alexandria Asiana | Iran | ||
| Alexandria Bucephalous | near Jhelum, Pakistan | abandoned | |
| Alexandria of the Caucasus | near modern Bagram, Afghanistan | Kapisa | |
| Alexandria Eschate | Fergana Valley | Khujand | Alexandria the Furthest, Khüjand, Khodzhent, Khudchand, Chodjend, Ispisar, Leninabad, Leninobod |
| Alexandria on the Indus | at the confluence of the Indus and Chenab rivers, Pakistan, 13 km from modern Uch | abandoned | Uch, Uch Sharif, Alexandria at the Head of the Punjab |
| Alexandria on the Oxus | near Kunduz, northern Afghanistan | abandoned | Ai-Khanoum, Ay Khanum, possibly Eucratidia |
| Alexandria Troas | Troad region of Turkey | Alexandria of the Troad, Sigia, Antigonia Troas, | |
| Alinda | near Karpuzlu, Turkey | abandoned | possibly Alexandria by the Latmos |
| Amarynthos | Euboea, Greece | ||
| Amaseia | Yeşilırmak River, northern Turkey | Amasya | Amáseia (Αμάσεια) |
| Ambracia | Epirus | ||
| Amida | banks of the River Tigris, south-eastern Turkey | Diyarbakır | Diyâr-ı Bekr, Amed, Āmîḏ (ܐܡܝܕ) |
| Amisos | Black Sea coast, Turkey | Samsun | Amisus, Eis Amison, Samsunta, Samsus, Samson, Samsounta |
| Amnisos | Crete, Greece | Amphicleia | Phocis, Greece |
| Amphigeneia | Peloponnese, southern Greece | abandoned | |
| Amphipolis | Thrace, northern Greece | Amfipoli | |
| Amphissa | Phocis, Greece | Amfissa | Salona |
| Ankon (Ἀγκών) | Adriatic coast of central Italy | Ancona | |
| Antigona | |||
| Antipatrea | southern Albania | Berat | Beligrad |
| Antioch on the Maeander | south western Turkey, near Kuyucak | abandoned | Antiochia on the Maeander, Antiochia ad Mæandrum, Pythopolis |
| Antioch, Mygdonia | south eastern Turkey | Nusaybin | Soba, Nisibis |
| Antioch on the Orontes | eastern side of the Orontes River, near modern Antakya, Turkey | Antiochia ad Orontem, Great Antioch, Syrian Antioch | |
| Antioch, Pisidia | 1 km northeast of Yalvaç, Isparta Province, Turkey | Antiochia in Pisidia, Pisidian Antioch (Greek: Ἀντιόχεια τῆς Πισιδίας), Antiochia Caesareia, Antiochia Caesaria, Antiochia in Phrygia | |
| Antiochia ad Taurum | near Gaziantep, Turkey | abandoned | Antiochia in the Taurus |
| Andros | Cyclades, approximately 10 km (6.2 mi) south east of Euboea | ||
| Apamea | on the Orontes River, about 55 km northwest of Hama, Syria | abandoned | Apameia (Απάμεια), Afamia (أفاميا or آفاميا) |
| Apamea | near the confluence of the Tigris and Euphrates, in Iraq | abandoned | Apameia (Απάμεια) |
| Apamea | Sittacene, Iraq, surrounded by the Tigris | abandoned | Apameia (Απάμεια) |
| Apamea | near Nahavand, Iran | abandoned | Apameia (Απάμεια) |
| Apamea Myrlea | on the Sea of Marmara, south of Mudanya, Turkey | abandoned | Apamea Myrleon, Apameia Myrleanos, Brylleion, Myrlea (Μύρλεια), Murleia, Myrleia, Colonia Iulia Concordia, Apamena. |
| Apamea | lake formed by the Birecik Dam, Şanlıurfa Province, Turkey | abandoned | Apameia (Απάμεια) |
| Apamea | Phrygia, Turkey | Dinar | Apameia (Απάμεια), Kibotos (κιβωτός), hê Kibôtos, Cibotus |
| Apamea Ragiana | Media, Iran | abandoned | Apamea Rhagiana, Apamea Raphiana, Apameia Rhagiane, Arsace, Khuvar, Choara |
| Aphidnae | Attica, Greece, about 28 km north of Athens | Afidnes (Αφιδνές, Αφίδναι) | Afidnai |
| Apollonia | Fier region, Albania | Apolonia | |
| Apollonia | Epirus, north western Greece | abandoned | |
| Apollonia | Mygdonia, northern Greece | abandoned | |
| Apollonia | Pirgos Apollonias, northern Greece, opposite Thasos | abandoned | |
| Apollonia | Chalcidice, northern Greece | abandoned | |
| Apollonia | Aetolia, north western Greece | abandoned | |
| Apollonia | Acte peninsular, northern Greece | abandoned | |
| Apollonia | north coast of Crete, near Cnossus | abandoned | |
| Apollonia | south coast of Crete | abandoned | |
| Apollonia | Sicily | possibly Pollina | |
| Apollonia | Cyrenaica, Libya | abandoned | |
| Apollonia | Mysia, western Turkey | abandoned | |
| Apollonia ad Rhyndacum | Mysia, western Turkey | abandoned | |
| Apollonia Pontica | Black Sea coast of Bulgaria | Sozopol | Antheia, Apollonia, Apollonia Magna |
| Argos | Peloponnese, Greece | ||
| Arsuf | 15 km north of Tel Aviv, Israel | abandoned | Arsur, Apollonia |
| Artanes | on the Danube, north west Bulgaria | Lom | Almus, Lom Palanka |
| Artemita | Babylonia, in the district of Apolloniatis (modern Iraq) | abandoned | Ἀρτεμίτα |
| Argyroupoli | northern Turkey | Gümüşhane | |
| Asine | Argolis, Greece | destroyed | |
| Asine | Messenia, Greece | ||
| Asine | Laconia, southern Greece | Skoutari | |
| Asine | Cyprus | Asinou (Ασίνου) | |
| Asklepios | northern Turkey | Iskilip | Iskila, Aesculapius, Andrapa, Andrapolis, Blocium, Bloacium, Neoclaudiopolis, Neopolis, İmad, Iskelib, İskelib, Direklibel |
| Aspendos | Antalya, southern Turkey | abandoned | |
| Assus | Çanakkale, Turkey | Behramkale | Assos |
| Astacus | western Turkey | İzmit | Nicomedea, Olbia |
| Athens | Attica, Greece | Athena (Αθήνα) | |
| Aytos | eastern Bulgaria | Aitos | Aetos, Ajtos, Astos, Idos, Akvilia |
Read more about this topic: List Of Ancient Greek Cities