Map of historical spots featured in textbooks

This is a website that visualizes 1,008 historical sites featured in Japanese and world history reference materials (584 domestic and 424 overseas, including 158 UNESCO World Heritage Sites) on a single map. You can filter by era (from prehistoric to modern times), category (18 classifications including castles, battles, religious facilities, and ruins), and region. When you click on a location of interest, you can access explanations, photos, and official links. It's useful for travel planning and discovering historical sites in your local area.