Install iso-flags-svg by entering the following commands in the terminal:
sudo apt update sudo apt install iso-flags-svg
Description:
ISO country flags in SVG format
High quality vector graphics country flag icons. . It contains more than 240 country flag icons in a squared and in a 4x3 aspect ratio.
Homepage: https://github.com/joielechong/iso-country-flags-svg-collection
Version: 1.0.1-1
Section: universe/misc