The Fire Nation is one of the world's four nations. It is an absolute monarchy led by the Fire Lord. Geographically, the continent is located on the planet's equator in the western hemisphere, and is composed of several islands, and therefore is an archipelago. Its capital is a city knows as Fire Nation Capital City.

The Fire Nation is the second largest kingdom in the world, and has the best economy in the world. It is also known for its powerful military. It is home to most firebenders in the world.