The Foreign and Commonwealth Office (FCO) is a department of the government of the United Kingdom responsible for foreign affairs. It manages the UK's relationships with other countries, promoting British interests abroad and ensuring the safety of UK citizens overseas. The FCO also plays a key role in international diplomacy and development. The FCO oversees British embassies and consulates around the world, providing support for trade, security, and cultural exchange. It works closely with other government departments and international organizations, such as the United Nations and NATO, to address global challenges and foster cooperation among nations.