Rugby Federation refers to the governing body or organization responsible for overseeing the rules, regulations, and promotion of rugby union and rugby league within a specific region or country. It plays a crucial role in organizing competitions, developing the sport at various levels, ensuring player welfare, and fostering international relations through participation in global events like the Rugby World Cup. The Rugby Federation also works to grow the popularity of rugby, support grassroots initiatives, and provide resources for clubs and players. Each member nation or region has its own federation that aligns with the international governing bodies, such as World Rugby for rugby union and the Rugby League International Federation for rugby league.