International Rugby refers to the competitive matches played between national teams from different countries. Governed by organizations like World Rugby, the sport is divided into two main formats: Rugby Union and Rugby League. Each format has its own set of rules and competitions, with Rugby Union being more widely played globally. Major tournaments include the Rugby World Cup, held every four years, and regional championships such as the Six Nations and The Rugby Championship. These events showcase the best teams and players, fostering international rivalries and promoting the sport worldwide.