three equal horizontal bands of white (top), blue, and red, derive from the medieval coat of arms of the Duchy of Carniola; the Slovenian seal (a shield with the image of Triglav, Slovenia’s highest peak, in white against a blue background at the center; beneath it are two wavy blue lines depicting seas and rivers, and above it are three six-pointed stars arranged in an inverted triangle …
: https://www.cia.gov/library/publications/the-world-factbook/geos/si.html