How a Japanese prefecture became the world's most vital maritime and industrial gateway

Countries & Cities · Published 29 September 2026 Swipe more like this →

In short: Kanagawa Prefecture is more than a Tokyo suburb. From the medieval seat of the Kamakura shogunate to the modern industrial powerhouse of Yokohama, this region has served as Japan's political, economic, and military anchor for centuries. It remains a critical intersection of ancient tradition and high-speed global commerce.

Kanagawa Prefecture, located in the Kantō region, is a study in contrasts. While its eastern plains are heavily urbanized and integrated into the Greater Tokyo Area, its western reaches are defined by the rugged Tanzawa Mountain Range and the volcanic activity of Mount Hakone. This topography has shaped its history, from the 12th-century rise of Kamakura as the de facto capital of Japan to the 19th-century arrival of Commodore Matthew Perry, whose forced opening of Japanese ports transformed Yokohama into a premier international trading hub.

The prefecture's development is inextricably linked to its strategic geography. As the home of the Port of Yokohama and the naval base at Yokosuka, Kanagawa has long been the primary point of contact between Japan and the outside world. This status brought both prosperity and peril. The region suffered immense devastation during the 1923 Great Kantō earthquake, which triggered tsunamis and fires that leveled cities like Odawara and Yokohama, and again during the 1945 U.S. bombing raids. Despite these catastrophes, the prefecture experienced rapid post-war growth, evolving from a population of 1.9 million in 1945 to over 9 million by 2014.

Today, Kanagawa serves as a vital economic engine. It hosts major commercial hubs and continues to be a center for international relations, maintaining a significant U.S. military presence at facilities like Camp Zama and Naval Air Facility Atsugi. Beyond its industrial and political weight, the prefecture remains a cultural destination, drawing visitors to the shrines of Kamakura and the resort areas of Hakone. With nineteen cities and a transport network that includes the Tōkaidō Shinkansen, Kanagawa remains a central pillar of Japanese life, bridging the nation's imperial past with its high-tech future.

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