The patron of Pero is Saint Elizabeth, celebrated on the second Sunday of September.
On the town's territory, and on the adjacent territory of the town of Rho, after an enormous reclamation effort, the new hub of the Fiera di Milano was built, designed by architect Massimiliano Fuksas. The town also holds the Parish Church of Santi Filippo e Giacomo and the Parco Agricolo Sud Milano.