+A Monetary Union occurs when two or more states share a single [Currency](/wiki/Currency) or maintain a unified [Monetary Policy](/wiki/Monetary_Policy). This creates a common economic zone, often to reduce transaction costs and promote deeper integration among members.
+## See also
+- [Economic Union](/wiki/Economic_Union)
+- [Central Bank](/wiki/Central_Bank)
+- [Exchange Rate](/wiki/Exchange_Rate)
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