Quick Read. Porto-Novo is Benin’s constitutional capital, while most central government activity and the country’s main commercial-port functions are concentrated in Cotonou. The pair is therefore a deliberate split-capital system.

One-sentence answer: Porto-Novo works as Benin’s formal political capital and historical institutional centre inside a wider southern urban corridor whose executive and commercial gravity lies in Cotonou.

Capital status is specialised

Legislative and symbolic national functions give Porto-Novo constitutional importance without making it the country’s dominant commercial city.

The split-capital route matters

High-definition reasoning must connect Porto-Novo to Cotonou rather than choosing one and erasing the other.

Continue to Cotonou, then return to How Benin Works and How Split-Capital Systems Work.