Bozcaada Castle is a big, old building with thick walls that people built a long, long time ago to protect their town from people who might try to hurt them. The castle has lots of rooms with high ceilings and big doors that are hard to push open. You can climb up and look out of the windows to see really far away!
People used to live inside the castle because it was safer than living outside. They would walk around inside the castle walls and watch out for any danger. The castle also had soldiers inside who would protect the people and fight off any bad guys who tried to attack.
This castle is very important because it has been around for a very long time and it has seen a lot of history. Lots of people have lived in it and walked through its halls. It has been a home, a refuge, and a place of defense. Today, people can visit the castle and learn about its history and admire its strong, sturdy walls.