1. Location: Kanagawa Prefecture is a county in kanto region, located in the south of Tokyo, adjacent to Tokyo Bay. As one of the most developed areas in Japan, Kanagawa Prefecture has a convenient geographical location and transportation network. As one of the largest cities in Kanagawa Prefecture, Yokohama has also become an important commercial, financial and cultural center in the prefecture, attracting many rich people to live and invest.

2. Economic and commercial development: Kanagawa Prefecture has rich economic strength and commercial resources. There are not only Yokohama Port, Japan's largest port, but also many international corporate headquarters, high-tech industrial parks and bustling commercial centers. These factors have promoted the rapid economic development and the prosperity of commercial activities in Kanagawa Prefecture, and then attracted the rich to buy luxury houses and settle in Yokohama.