A U.S. Embassy is the diplomatic mission of the United States in a foreign country. The embassy serves as the primary point of contact between the U.S. government and the host country’s government. The U.S. embassy is headed by an ambassador, who is appointed by the President of the United States and confirmed by the Senate. The embassy has various departments, including the consular section, which provides services such as visas and passports to U.S. citizens and foreigners. The embassy also promotes U.S. interests, such as trade and cultural exchange, and provides assistance to U.S. citizens abroad, including emergency services and information on local conditions. The U.S. has diplomatic relations with most countries in the world and maintains embassies in many of them.