Install language-pack-gnome-sv-base by entering the following commands in the terminal:
sudo apt update sudo apt install language-pack-gnome-sv-base
Description:
GNOME translations for language Swedish
Translation data for all supported GNOME packages for: Swedish . This package provides the bulk of translation data and is updated only seldom. language-pack-gnome-sv provides frequent translation updates, so you should install this as well.
Version: 1:18.04+20180423
Section: translations