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The World's Biggest Gold Reserves

Value of reserves: $25.8 billion
Holdings total: 553.4 tons

Established in 1998 by the European Union, the European Central Bank (ECB) is responsible for the monetary policy of the member nations of the euro zone and is headquartered in Frankfurt.

The ECB's 553.3 tons of gold accounts for 35 percent of the bank's foreign reserves and would be worth $25.8 billion in today's market.