Karatsu（唐津）is a city with rich nature of both mountains and seaside located in northern Saga Prefecture. Karatsu is developed as the castle town and the port town to Ajisa. Karatsu castle and its pine forest are the symbol of this city. Karatsu has rich history that creats the unique culture, especially Karatsu Kunchi is one of the most popular festival in Japan. Because it is located on Genkai Sea, the seafood are fresh and great. Also, on the southern Karatu has many mountains with waterfalls and forest.