Martin Place is a pedestrian mall in the Sydney central business district, New South Wales, Australia. Martin Place has been described as the "civic heart" of Sydney. As home to the Reserve Bank of Australia, the Commonwealth Bank, Macquarie Bank, Westpac and other corporations, it is also a centre of business and finance. The Sydney GPO is also located on Martin Place.

The Commonwealth Bank of Australia (CBA), or CommBank, is an Australian multinational bank with businesses across New Zealand, Asia, the United States, and the United Kingdom. It provides a variety of financial services, including retail, business and institutional banking, funds management, superannuation, insurance, investment, and broking services. The Commonwealth Bank is the largest Australian listed company on the Australian Securities Exchange as of August 2015, with brands including Bankwest, Colonial First State Investments, ASB Bank, Commonwealth Securities (CommSec) and Commonwealth Insurance (CommInsure). Its former constituent parts were the Commonwealth Trading Bank of Australia, the Commonwealth Savings Bank of Australia, and the Commonwealth Development Bank.