Direct answer
Objectives follow journal display order. Some depend on your choices; follow the active objective in the game.
Result
My story began in Temeria, near Vizima, with Geralt dreaming a dream of Yennefer, Ciri and the Wild Hunt. It ends in Temeria as well, with the witcher returning to Vizima to have one last conversation with the emperor - and tell him Ciri would not be coming back.
