Walls, towers and gates Porta Arpana o Porta Reale The only remaining evidence of the five ports of entry and of the city walls in times of Frederick II. It is located in Via Arpi, the two side arches were added in the Second World War.
Walls, towers and gates Arco di Federico II In Piazza Nigra remains the only evidence of the permanence of the Emperor Frederick II in Foggia. The arch is built into a wall the of the Civic Museums.