🇪🇬 Egypt · Submerged site
Myos Hormos — Eastern Reef Channel Harbour at Marsa Nakari
Mid-Holocene reef to Late Roman · Roman Egyptian
Outer reef channel of Myos Hormos — 22 m reef cut with Roman concrete at 2–5 m breach at Marsa Nakari.
🇪🇷 Eritrea · Ancient city
Adulis (Adulis Bay & Gulf of Zula)
Pre-Aksumite to Late Aksumite to Early Islamic (500 BCE–8th c CE; peak 1st–6th c) · Pre-Aksumite D'MT → Aksumite (South Arabian/Eritrean)
40 ha Aksumite–Roman Red Sea port of Periplus linking elephant ivory to Mediterranean with temple and 4th-c basilica plus trilingual Monumentum Adulitanum.
🇸🇦 Saudi Arabia · Archaeological wonder
Tihama Coastal Kite Field (Jizan–Al Birk littoral, Saudi Arabia)
Neolithic (Tihama Neolithic coastal, 4000–3000 BCE) · Tihama coastal Neolithic (Shell Midden / Jizan foragers)
33 Red Sea littoral kites (4th mill. BCE) with shell middens in pits — unique coast-hunting interface at Jizan.