The more popular name for the portrait officially titled "La Gioconda," painted in 1503, is the "Mona Lisa." It is a portrait of Lisa Gherardini, the wife of a Florentine merchant, Francesco del Giocondo. The painting has become an iconic piece of art, known for its enigmatic smile and the mystery surrounding the identity of the subject and the painter. It is displayed in the Louvre Museum in Paris and is considered one of the most famous paintings in the world.