The North Atlantic Treaty Organization (NATO) is an alliance of countries from

Key Points

• NATO (North Atlantic Treaty Organization) is a military alliance established in 1949.
• It consists of 31 member countries (as of 2023), primarily from Europe and North America.
• NATO's main purpose is collective defense. If one member is attacked, all other members are obliged to respond.
• The organization promotes security, stability, and democratic values among its members.