Festival of Santa Eulàlia Santa Eulàlia is Barcelona’s patron saint. On February the 12th celebrations, and a public holiday, are to be held in her honour (Santa Eulália was a 13-year-old martyr who was tortured on the orders of the emperor Diocletian, and she is often referred to as the children’s saint). Eulália lends her name to Barcelona’s impressive gothic Cathedral – Santa Eulália – though it is more commonly referred to as La Seu. A day of street celebrations and parades is ...