Pia is a common name that can refer to various individuals and characters across different cultures. It is often used as a feminine given name and has roots in languages such as Latin, where it means "pious" or "devout." The name is popular in countries like Italy, Spain, and Sweden. In addition to being a name, Pia can also refer to specific places or entities, such as Piazza, which means "square" in Italian, or Pia, a character in various books and films. The versatility of the name makes it widely recognized in different contexts.