🇧🇩 Bangladesh · Ancient city
Bhitargarh Fortified City
Gupta to Pala–Sena (450–1200 CE) · Gupta to Pala–Sena (Varendra)
Largest Bangladeshi walled city—120 ha, 4 concentric ramparts (6 km outer), 5th–12th c Gupta–Pala–Sena.
🇮🇳 India · Ancient city
Eran
Chalcolithic 1200–600 BCE → Sunga 200 BCE → Gupta 4–6 c. CE · Chalcolithic → Sunga → Gupta (Vakataka-Hunas)
Gupta temple city Airikina on Bina river (600 BCE–600 CE) — home to 2.66 m Varaha boar (510 CE) and earliest Sati inscription.
🇮🇳 India · Temple complex
Mansar
Vakataka–Gupta (250–550 CE) · Vakataka (Deccan) – Gupta contemporaneous
Vakataka–Gupta palace city (5th–6th c)—38×38 m palace, Shiva–Vishnu temple, 170×40 m dammed reservoir at Nagpur.
🇮🇳 India · Temple complex
Eran Gupta Temple Complex
Saka–Gupta 1st c BCE–6th c CE · Saka–Gupta Brahmanical (Vishnu–Varaha) — Early Classical
Eran Gupta Temple Complex — ancient Airikina (Saka–Gupta 1st c BCE–510 CE) on Bina River at Sagar, famed for earliest Gupta temples and Eran boar (Varaha) inscription of Toramana (510 CE) and Alchon…
🇮🇳 India · Ancient city
Nalanda Mahavihara
Gupta to Pala 427–1193 CE (peak 5th–12th c) · Bihar / Gupta-Pala Buddhist Mahayana
Iconic Buddhist residential university (5th–13th c CE) with Gupta to Pala brick viharas, stupas, chaityas and votive structures across 23 ha.