🇷🇺 Russia · Submerged site
Patrai — Strait Emporium Submerged (Kerch Strait Taman Shore)
Archaic to Roman (c.550 BCE – 240 CE) · Ionian Greek / Bosporan
Kerch Strait narrows emporium — lower harbour 1.5–4 m submerged on Taman spit opposite Kerch, controls Bosporus passage.