Gymnasium in ancient Greece was a big yard where people (mostly boys and men) would exercise and take part in sports. It was like a big playground where they would run, jump, and throw things like javelins or discs.
The gymnasium was also a place where students would learn important things like reading, writing, math, and philosophy. The teachers were called philosophers and they would guide the students and teach them how to think and talk about important ideas.
In ancient Greece, people believed that a healthy body leads to a healthy mind. So, gymnasiums were very important because they helped people to stay physically fit and mentally sharp.
Athletics played a big part in the gymnasium. People would compete in various events like running races, jumping, throwing and sometimes even wrestling. Winning in these events was a source of pride and honor for the athletes.
Overall, Gymnasium in ancient Greece was a place where people would go to learn, exercise, compete and have fun. It was an important part of the culture and helped to shape the values of the ancient Greeks.