Olsztyn

Olsztyn is a city in northern Poland, a country in Europe. It sits next to a river called the Łyna. Think of it like a special spot on a map, not too far from the sea. It's the biggest city in a region called Warmia. This city is like the capital of its own little kingdom, called Warmian-Masurian Voivodeship!

Olsztyn has a super old part called the Old Town. In the Old Town, there's a castle that's over 600 years old! That's way older than your grandparents, and even older than their grandparents! This castle used to be a place where important people lived and it even helped protect the city from invaders a long, long time ago.

Did you know a very famous scientist named Nicolaus Copernicus lived in Olsztyn? He was super smart and even helped the city fight off an attack! He made a special table in the castle to look at the stars. Today, that castle is a museum where you can see cool things and even watch movies!

People who live in Olsztyn are pretty lucky! It's known as a really good place to live because it's safe and people have good jobs. It's even been called one of the happiest cities in Poland. So, Olsztyn isn't just old and interesting, it's also a place where people feel good!