This is the 874th most frequent Polish word.
jarosław
"Jarosław" is a Polish male first name.
In this sentence, 'Jarosław' is used as a proper noun to refer to a male name.
Jarosław jest popularnym imieniem w Polsce.
Jarosław is a popular name in Poland.
Here, 'Jarosław' is used as a proper noun to identify a specific person.
Mój kuzyn Jarosław mieszka w Krakowie.
My cousin Jarosław lives in Kraków.
In this instance, 'Jarosław' refers to a historical place or settlement.