The European Union (EU) is a political and economic union of 27 member states located primarily in Europe. It aims to promote peace, stability, and prosperity among its members through shared policies and regulations. The EU facilitates trade, ensures the free movement of people, and fosters cooperation on various issues, including environmental protection and security. The EU maintains relations with non-member countries through various agreements and partnerships. These include trade agreements, development aid, and diplomatic dialogues. The EU also engages with international organizations, such as the United Nations, to address global challenges like climate change and human rights.