Bank or depository institution, or savings and loan, or credit union, which is larger than a community bank, below the state level, but smaller than a money center bank, operating in a specific region of the country, taking deposits and offering loans.
Quelle: Encyclo Online encyclopedia, 10.01.2013 / http://www.encyclo.co.uk/define/Regional%20Bank
1) In the US, the term regional bank is used to describe a midsized depository institution that is larger than a community bank, but smaller than one of the large money center banks. The term regional bank does not have an exact definition, but a regional bank has certain characteristics. First, in a list ranked by assets a regional bank would not make the top 5, but the largest of these would be in the top 25. Second, a regional bank has a presence in a single geographic region, perhaps spanning more than one state. Third, the regional bank probably does not have any international presence. Fourth, the regional bank probably has more than a handful of retail branches. 2) The Government of India set up Regional Rural Banks (RRBs) on October 2, 1975. Initially, five RRBs were set up on October 2, 1975 which were sponsored by Syndicate Bank, State Bank of India, Punjab National Bank, United Commercial Bank and United Bank of India.