The European Union (EU) is a political and economic union consisting of 27 member countries that are located primarily in Europe. The EU aims to promote peace, establish a unified economic and monetary system, champion human rights, and encourage sustainable development. Through its various institutions and bodies, the EU develops policies and laws to ensure the free movement of people, goods, services, and capital within its internal market. It also engages in numerous initiatives to address global challenges, enhance security, and foster international cooperation.