Albania

• Apollonia (Illyria), now Pojani (Polina) in Albania; former bishopric, now Latin titular see

Bulgaria

• Apollonia, Thrace, now Sozopol, Bulgaria

Greece

• Apollonia (Aetolia), a town near Naupactus
• Apollonia (Argolis), also known as Troezen
• Apollonia (Athos), a city on Mount Athos
• Apollonia (Chalcidice), a city in the Chalcidice
• Apollonia (Echinades), a town in the Echniades
• Apollonia (Kavala), a city in Kavala, northern Greece
• Apollonia (Mygdonia), an inland city near modern Apollonia, Thessaloniki, reportedly visited by the Apostle Paul
• Apollonia, Sifnos (ancient town), an ancient town on the island of Sifnos
• Apollonia (Sifnos), the main town on the island of Sifnos, taking its name from the former
• Apollonia, Thessaloniki
• Five cities on Crete:
  • Apellonia, also called Apollonia, on the north coast
  • Apollonia (northern Crete), on the north coast
  • Apollonia (southern Crete), on the south coast
  • Eleutherna, inland city also called Apollonia
  • Kydonia, also called Apollonia

Italy

• Apollonia (Sicily) in Northern Sicily
• Sant'Apollonia (Ancona), in Corinaldo, province of Ancona
• Sant'Apollonia (Brescia), township in Ponte di Legno, province of Brescia
• Sant'Apollonia (Lecco), township in Viganò, locality of Lecco
• Sant'Apollonia (Padua), township in Bagnoli di Sopra Padua, Veneto
• Sant'Apollonia (Turin), township in Val della Torre, province Turin, in the Piedmont region
• Fondamenta Sant'Apollonia, in Venice, Veneto

Asia

• Surabaya, Indonesia; formerly the Dutch settlement of Fort Apollonia
• Apollonia-Arsuf, near modern Herzliya, Israel

Anatolia (Turkey)

• Apollonia (Lycia), an ancient city in Lycia
• Apollonia (Lydia), an ancient city in Lydia, also Apollonis
• Apollonia (Mysia), an ancient city in Mysia
• Apollonia (Pisidia) (later called Sozopolis), an ancient city in Pisidia
• Apollonia ad Rhyndacum, a town astride the river Rhyndacus in Bithynia next to the lake Apolloniatis
• Apollonia Salbaces, an ancient city in Anatolia
• Assos, also called Apollonia
• Tripolis on the Meander, also called Apollonia

Elsewhere

• Sainte-Apollonie island (Île de Sainte-Apollonie), on the Mayenne river in Pays de la Loire, France
• Fort Apollonia, Beyin, Ghana
• Apollonia, Cyrenaica, Libya
• Apolonia, Texas, US
• Apollonia, Wisconsin, US

In space

• 358 Apollonia, a large main belt asteroid
• Apollonia (Mercury), an albedo feature on the planet Mercury

Fictional

• Apollonia Vitelli Corleone, a character in Mario Puzo's The Godfather saga
• Apollonia, aka The Black Knight, a playable character in the Japanese gacha game Granblue Fantasy
• Apollonia, a character in the Raul Julia public television film Overdrawn at the Memory Bank also covered on Mystery Science Theater 3000