This article provides an overview of how to plan a 4 day trip to Japan, including choosing a destination, booking flights and accommodation, planning activities for each day of the trip, getting around during the trip, preparing for cultural differences, and tips for saving money. It is important to research popular attractions ahead of time, factor in transportation costs between cities or regions and any entrance fees for attractions that may be included in your itinerary. With careful planning and preparation travelers can ensure they get the most out their 4 days spent in this amazing country!