The National Hockey League (NHL  French Ligue nationale de hockey LNH) is a professional ice hockey league in North America, currently comprising 31 teams: 24 in the United States and 7 in Canada. The ECHL (formerly the East Coast Hockey League is a mid-level professional ice hockey league based in Princeton, New Jersey, with teams scattered across the United States and two franchises in Canada.  Hockey has a lot of league where they start from minor leagues and then go up to major adult leagues which bring it to a professional hockey.