Petr is a common male name in several Slavic countries, including the Czech Republic and Russia. It is derived from the Greek name "Petros," meaning "rock" or "stone." The name is often associated with strength and stability. In literature and culture, Petr may refer to various characters or historical figures. For example, Petrarch was a notable Italian poet from the Renaissance period. Additionally, Petr is a popular name in modern media, appearing in films and books, often representing a reliable and steadfast character.