🇪🇬 Egypt · Archaeological wonder
Abu Mena
Late Roman to Early Byzantine 4th–7th c. CE, peak 5th–6th c. · Coptic Christian / Byzantine Egyptian
Desert pilgrimage city of Saint Menas, 4th–7th c., now endangered by water table rise.
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🇹🇳 Tunisia · Ancient city
Sbeitla (Sufetula)
Roman to Early Islamic (Flavian to 7th c; peak 2nd–5th c) · Roman / Berber / Byzantine
Mid-steppe Roman-Byzantine city with triple Capitol temples, olive-press quarter and five Byzantine basilicas.
🇹🇷 Turkey · Temple complex
Hagia Sophia
Late Antiquity / Byzantine 532–537 CE, Ottoman additions 1453– · Byzantine Greek to Ottoman Islamic
Justinian's 537 CE dome on pendentives – seminal Byzantine basilica-monsoon turned mosque.