Ulster Rugby is one of the four professional rugby teams from Ireland. They compete in the United Rugby Championship and the Heineken Champions Cup.
The team represents the IRFU Ulster Branch, which is one of the four primary branches of the IRFU and is responsible for rugby union throughout the geographical province of Ulster, comprising six counties in Northern Ireland and three in the Republic of Ireland. Ulster play their home games at Kingspan Stadium in Belfast, which has a capacity of almost 18,000.