The <a href="https://en.wikipedia.org/wiki/European_Central_Bank" id="mw7w" rel="mw:WikiLink" title="European Central Bank">European Central Bank</a> is founded in <a href="https://en.wikipedia.org/wiki/Brussels" id="mw8A" rel="mw:WikiLink" title="Brussels">Brussels</a> in order to define and execute the <a href="https://en.wikipedia.org/wiki/European_Union" id="mw8Q" rel="mw:WikiLink" title="European Union">European Union</a>'s monetary policy.