Borussia Dortmund's Pierre-Emerick Aubameyang and Liverpool's Sadio Mane headline the list of stars taking part in the tournament, which was won by Ivory Coast in 2015.
The final takes place on 5 February and you can find the full fixture list here.
Here is our group-by-group guide to Afcon 2017:
The 2017 Africa Cup of Nations kicks off on Saturday when hosts Gabon take on Guinea-Bissau at Stade de l'Amitie in Libreville (16:00 GMT).