Some cities have unique modifiers that persist throughout the game either at game start or after decisions taken by nations.
Present at start
Pillar of Hercules - Baelo, Tinga
- Commerce income: +10.00%
Bosporus - Byzantion, Rhebas, and Chalkedon
- Commerce income: +10.00%
- Local fort defense: +10.00%
Hellespont - Sestos, Abydos
- Commerce income: +10.00%
- Local fort defense: +10.00%
Copper Mines of Cyprus - Kition, Amathous, Soloi, and Tamassos
- Slaves needed for local surplus: -4.00
Tyrian Purple - Tyros
- Slaves needed for local surplus: -5.00
Rhodian Glass Workshops - Rhodos
- Slaves needed for local surplus: -5.00
Fortifications of Rhodes - Rhodos
- Local fort defense: +15.00%
Gold Fields of Mastia - Mastia
- Slaves needed for local surplus: -5.00
Cedars of the Gods - Brochoi
- Base resource production: +1.00
- Slaves needed for local surplus: -5.00
Nisean Horses - Herakleia (in province of Kossioi)
- Base resource production: +1.00
- Slaves needed for local surplus: -4.00
Great Pyramids - Memphis
- Local civilization level: +5.00%
- Local slave happiness : +10.00%
Gardens of Babylon - Babylon (in province of Babylonia)
- Local civilization level: +10.00%
- Local citizen happiness: +10.00%
Academy - Athenai
- Local civilization level: +15.00%
Megarian School - Megara
- Local civilization level: +5.00%
Asklepion - Epidauros
- Local civilization level: +10.00%
Site of the Olympic Games - Olympia
- Local unrest: -1.00
Zeus Temple - Olympia
- Local citizen happiness: +10.00%
Artemis Temple - Ephesos
- Local citizen happiness: +10.00%
Mausoleum of Mausolus - Halikarnassos
- Local citizen happiness: +10.00%
Alexandria - All of the cities named after Alexander
- Local civilization level: +10.00%