🇹🇷 Turkey · Submerged site
Seleucia Pieria – Harbour of Antioch at Samandağ
Hellenistic to Byzantine (300 BCE – 600 CE) · Seleucid / Roman / Byzantine
Antioch's silted harbour basin 600×400 m now meadow at Çevlik with 1.4 km Roman flood tunnel.
🇮🇳 India · Submerged site
Pattanam-Muziris – Roman Pepper Port, Kerala
Iron Age to Medieval (c. 1000 BCE – 1341 CE) · Chera / Indo-Roman
Roman pepper port brick wharf 100 m under 3 m silt at Pattanam – 8 m canoe at 4 km inland.
🇹🇷 Turkey · Submerged site
Ephesus Harbour – Silted Kaystros Harbour
Ionian to Byzantine (10th c. BCE – 600 CE) · Ionian Greek / Lydian / Roman
Silted imperial harbour 600×300 m now 5 km inland – quay walls buried 4 m, Selçuk.