Third largest city in Japan. It lies in the Kansai region of the Honshu island of Japan. It is about 50km away from Kyoto.

It is the capital city of Osaka Prefecture and also the largest part of the Keihanshin metropolis, which comprises three major cities of Japan: Kyoto, Osaka and Kobe.

Located at the mouth of the Yodo River on Osaka Bay, Osaka is Japan's third largest city by population after Tokyo (special wards) and Yokohama, as well as an economic hub.

The ratio between daytime and night time population is 1.41, the highest in Japan, highlighting its status as an economic center. Its nighttime population is 2.6 million, the third in the country, but in daytime the population surges to 3.7 million, second only to Tokyo.