🇧🇯 Benin · Ancient city
Birnin Lafiya
Medieval (12th–18th c) · Songhai / Hausa / Niger bend trade
65-ha double-rampart Niger entrepôt 12th–18th c linking Bura-Gao ceramic chain with Hausa–Songhay frontier.
🇳🇬 Nigeria · Ancient city
Surame
Late Medieval Hausa Banza Bakwai (15th–early 18th c. CE) · Hausa (Kabawa–Kebbi)
Surame (15th–16th c.) is the 9 km² walled capital of Muhammadu Kanta's Kebbi Empire (c. 1516), the sole Hausa Banza Bakwai state to defeat Songhai (Battle of Jebbe).
🇳🇬 Nigeria · Archaeological wonder
Dala Hill
Iron Age to Modern (c. 400–1900 CE; ritual ongoing) · Iron Age (Early Kano) / Hausa / Fulani
Dala Hill (Goron Dutse pair) is Kano's 534-m granite inselberg nucleus where Kano city was founded by Dala Iron Age smiths (c. 400 CE) before Hausa walling, with 999-step stair.