Vexillological description
It is a rectangular field of crimson, an intense red, with the coat of arms of the city in the centre.
- Field
- crimson, a single colour, with no stripes or divisions.
- Coat of arms
- in the centre, Spanish in shape. Silver field with three stone towers, one in the centre and two below, with the windows in blue, and above them a black bat with spread wings.
- Timbre
- marquess’s crown, of gold with stones and pearls.






