monetary union; currency union; common currency
Refers to an arrangement where multiple countries share a single currency or closely coordinate their monetary policies. Often used in economic and political contexts.
The European Union achieved monetary union and introduced the euro.
The debate continues over the advantages and disadvantages of a common currency.
経済統合 is broader economic integration, while 通貨統合 specifically refers to unifying currencies.
ユーロ is the actual currency used in the eurozone, a concrete result of 通貨統合.
Compound of 通貨 (currency) and 統合 (integration, unification).