When people are born, they're usually given a first name like "Adam" or "Ewa". But sometimes, people also have something called a "surname" or "last name". This is like a family name that is passed down from their parents and ancestors.
In Poland, surnames are usually made up of two parts - the "surname" and the "given name". The given name is the part that comes first and is usually the person's first name. But the surname is a little bit different. It's the part that comes second and tells us what family the person belongs to.
Polish surnames can tell us a lot about a person's family history. For example, some surnames are based on occupations that the person's ancestors had. So if someone has the surname "Kowalski", it might mean that their family used to be blacksmiths or worked with metal. Other surnames are based on where the person's ancestors came from, like "Lubczyk" (which means "from Lubczyk").
It's important to remember that surnames can be changed over time, especially if someone moves to a different country or gets married. But generally, surnames in Poland are an important part of someone's identity and family history.