Basketball is considered to be one of the most popular team sports in the world. The most prestigious and viewed basketball competition is The National Basketball Association (NBA) league. It is an annual basketball league (regular season and playoffs) for thirty teams from the United States and Canada, that are split into two conferences (eastern and western) consisting of three
divisions with five teams each. Other notable competitions include the Euroleague (European basketball championship for clubs), FIBA Basketball World Cup (International basketball championship for national teams) and EuroBasket (European basketball championship for national teams). In most cases, basketball is played in indoor arenas on a rectangular courts.