is the core retail banking unit of Mizuho Financial Group

Mizuho Financial Group

, abbreviated as MHFG, or simply called Mizuho is a banking holding company headquartered in the Ōtemachi district of Chiyoda, Tokyo, Japan...

, which is the second-largest financial services

Financial services

Financial services refer to services provided by the finance industry. The finance industry encompasses a broad range of organizations that deal with the management of money. Among these organizations are credit unions, banks, credit card companies, insurance companies, consumer finance companies,...

 company in Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 and one of the three so-called Japanese "megabanks" (along with Mitsubishi UFJ Financial Group and Sumitomo Mitsui Financial Group). Its headquarters are located in the Uchisaiwaicho district of Chiyoda, Tokyo

Chiyoda, Tokyo

is one of the 23 special wards in central Tokyo, Japan. In English, it is called Chiyoda ward. As of October 2007, the ward has an estimated population of 45,543 and a population density of 3,912 people per km², making it by far the least populated of the special wards...

.

Mizuho Bank has 515 branch

Branch (banking)

A branch, banking center or financial center is a retail location where a bank, credit union, or other financial institution offers a wide array of face-to-face and automated services to its customers....

es and over 11,000 ATM

Automated teller machine

An automated teller machine or automatic teller machine, also known as a Cashpoint , cash machine or sometimes a hole in the wall in British English, is a computerised telecommunications device that provides the clients of a financial institution with access to financial transactions in a public...

s, and is the only bank to have branches in every prefecture

Prefectures of Japan

The prefectures of Japan are the country's 47 subnational jurisdictions: one "metropolis" , Tokyo; one "circuit" , Hokkaidō; two urban prefectures , Osaka and Kyoto; and 43 other prefectures . In Japanese, they are commonly referred to as...

 in Japan.