Nakatsu is a city located in Japan, specifically in a place called Ōita. It's kind of like how your house is in a neighborhood, Nakatsu is in Ōita.
People who live in Nakatsu go about their daily lives, like going to school or work, just like you do. They might eat different foods and speak a different language than you, but that's okay because everyone is unique and special in their own way.
There are also different things to see and do in Nakatsu, like exploring beautiful parks or visiting historical sites. Just like how you might go to the park or museum in your own town.
Overall, Nakatsu is a place where people live and have their own special culture and experiences in Ōita, Japan.