The Comum — Circular Economy Market takes place at Rua de Alexandre Braga [next to the Bolhão Market], in the heart of Porto. It features various circular economy entrepreneurs and sustainability workshops.

Includes ComumKids - Swap and Second-Hand Sale Market for Children is an event held within the Comum Market, aiming to encourage circular practices from childhood, promote a culture of exchange among children, and foster conscious consumption from an early age.