The Feast of Sant'Efisio is an annual celebration held in Cagliari, Sardinia, honoring the patron saint of the city, Sant'Efisio. This event takes place from May 1st to May 4th and features a colorful procession that includes traditional costumes, music, and dance. Pilgrims and locals participate in the festivities, showcasing the rich cultural heritage of the region. The festival commemorates the legend of Sant'Efisio, who is said to have saved the city from a plague in the 17th century. The highlight of the event is the procession, where a statue of the saint is carried through the streets, accompanied by thousands of participants, making it a vibrant and significant cultural event in Sardinia.