Saint Eulalia is a Christian martyr and saint, celebrated primarily in Spain. She is often associated with the city of Barcelona, where she is considered the patron saint. According to tradition, Eulalia was a young girl who suffered persecution for her faith during the Roman Empire, ultimately leading to her martyrdom. Her feast day is observed on February 12, and she is frequently depicted in art with symbols such as a palm branch, representing martyrdom, and a lamb, symbolizing innocence. Saint Eulalia's story emphasizes themes of courage and faith in the face of adversity, making her an important figure in Christian hagiography.