Defending champions Portugal get their title defence underway with a date against Hungary in Budapest this evening.
Portugal, who won the Euro 2016, will be led by 36-year-old star forward Cristiano Ronaldo.
There are nine premier league players in the Portugal squad, including Manchester United midfielder Bruno Fernandes, Liverpool forward Diogo Jota and Manchester City pair Ruben Dias and Bernardo Silva.
World champions France are also in action today as they clash with former winners Germany.
France are confident with a number of stars including, man of the moment Ngolo Kante of Chelsea, PSG’s Kyllian Mbappe, Karim Benzema of Real Madrid and Barcelona’s Antoine Griezmann.