Which is the world's largest tokamak reactor?

The world's largest tokamak reactor is the International Thermonuclear Experimental Reactor (ITER), located in Cadarache, southern France. This massive project is a collaboration between seven member entities: the European Union, India, Japan, China, Russia, South Korea, and the United States. The ITER tokamak is designed to harness the energy of fusion, aiming to provide clean, safe, and unlimited energy.