Osaka is a designated city in the Kansai area of Japan. It is the capital city of Osaka Prefecture and the biggest part of the Keihanshin Metropolitan Area, the second biggest metropolitan territory in Japan and among the biggest on the planet with more than 19 million tenants. Situated at the mouth of the Yodo River on Osaka Bay, Osaka is the second biggest city in Japan by daytime population after Tokyo's 23 wards and the third biggest city by evening time population after Tokyo's 23 wards and Yokohama, filling in as a noteworthy financial center point for the nation.

Generally, a merchant city, Osaka has likewise been known as the "country's kitchen".

Osaka contains various urban trenches and scaffolds, a significant number of which fill in as the namesake for their encompassing neighborhood.

The gross city results of Osaka in monetary year 2004 was ¥21.3 trillion, an expansion of 1.2% over the earlier year. The figure represents around 55% of the aggregate yield in the Osaka Prefecture and 26.5% in the Kinki locale. MasterCard Worldwide announced that Osaka positions nineteenth among the world's driving urban communities and assumes a critical part in the worldwide economy.

The GDP in the greater Osaka area is $341 billion. Osaka, along with Paris and London, has one of the most productive hinterlands in the world.

The Economist Intelligence Unit (EIU) ranked Osaka as the second most expensive city in the world in its 2013 Cost of Living study.

Osaka has an expansive number of wholesalers and retail shops: 25,228 and 34,707 individually in 2004, as indicated by the city insights. A large number of them are moved in the wards of Chuō (10,468 shops) and Kita (6,335 shops). Shops range from shopping centers to traditional shōtengai shopping arcades, assembled both above and underground.

The city's west side has the fundamental port and a traveler goal with attractions, for example, Kyocera Dome, Universal Studios Japan, Osaka aquarium, Minami, Osaka palace, Umeda sky building and the Tempozan Harbor Village. Osaka is known for its nourishment, both in Japan and abroad. Osaka has begun to collect more consideration from nonnatives with the expanded prevalence of cooking and eating in pop culture. The National Museum of Art (NMAO) is a subterranean Japanese and international art museum, housing mainly collections from the post-war era and regularly welcoming temporary exhibitions. Osaka Science Museum is in a five-storied building next to the National Museum of Art, with a planetarium and an OMNIMAX theatre.