As of 2024, Hokkaido was the largest prefecture in Japan, extending over an area of approximately *Â square kilometers. Iwate followed as the second largest prefecture, while Kagawa was the archipelago's smallest prefecture, spanning over a surface of about 1876.83 square kilometers
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Statistics Bureau of Japan. (November 21, 2025). Surface area of prefectures in Japan as of April 2024 (in square kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 19, 2026, from /statistics/1172113/japan-area-prefectures/
Statistics Bureau of Japan. "Surface area of prefectures in Japan as of April 2024 (in square kilometers)." Chart. November 21, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 19, 2026. /statistics/1172113/japan-area-prefectures/
Statistics Bureau of Japan. (2025). Surface area of prefectures in Japan as of April 2024 (in square kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 19, 2026. /statistics/1172113/japan-area-prefectures/
Statistics Bureau of Japan. "Surface Area of Prefectures in Japan as of April 2024 (in Square Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 21 Nov 2025, /statistics/1172113/japan-area-prefectures/
Statistics Bureau of Japan, Surface area of prefectures in Japan as of April 2024 (in square kilometers) ÌÇÐÄÆƽâ°æ, /statistics/1172113/japan-area-prefectures/ (last visited July 19, 2026)
Surface area of prefectures in Japan as of April 2024 (in square kilometers) [Graph], Statistics Bureau of Japan, November 21, 2025. [Online]. Available: /statistics/1172113/japan-area-prefectures/
