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. Shortly after Ciri entered the tower on Undvik, never to return, Geralt returned to Velen and entered Crookback Bog.
