Japan is known for its unique and delicious cuisine, and there are many foods that you should try when visiting. Here are some of the best foods to try in Japan:

1. Sushi: This is probably the most well-known Japanese food. Sushi is a dish made with seasoned rice and various toppings, such as raw fish, vegetables, or egg.

2. Ramen: Ramen is a popular noodle soup dish that can be found all over Japan. The noodles are made from wheat flour and the broth can be made with pork, chicken, or seafood.

3. Tempura: This is a dish of battered and fried seafood or vegetables. It's often served as an appetizer or side dish.

4. Okonomiyaki: This is a savory pancake that's made with a variety of ingredients, such as cabbage, pork, and seafood. It's often topped with a sweet and savory sauce.

5. Yakitori: This is a type of grilled chicken skewer that's often served as a snack or appetizer. It can be seasoned with salt or a sweet soy sauce.

6. Takoyaki: These are small, round balls of batter filled with diced octopus, tempura scraps, and green onion. They are usually topped with a sweet and savory sauce, mayonnaise, and bonito flakes.

7. Udon: This is a thick, chewy noodle soup that's often served with various toppings, such as tempura or sliced beef.

8. Mochi: This is a sweet, chewy rice cake that's often filled with red bean paste or ice cream.

9. Matcha: This is a powdered green tea that's used in many Japanese desserts and drinks, such as matcha ice cream and matcha lattes.

10. Wagyu beef: This is a type of high-quality beef that's known for its tenderness and flavor. It's often served as a steak or in hot pot dishes.

These are just a few of the many delicious foods that you should try when visiting Japan. Don't be afraid to explore and try new things – you might discover your new favorite dish!