Back Сцяг Шлезвіг-Гольштэйна Byelorussian Slesvig-Holstens flag Danish Flagge Schleswig-Holsteins German Σημαία του Σλέσβιχ-Χόλσταϊν Greek Flago de Ŝlesvigo-Holstinio Esperanto Bandera de Schleswig-Holstein Spanish پرچم شلسویگ-هولشتاین Persian Drapeau du Schleswig-Holstein French דגל שלזוויג-הולשטיין HE Знаме на Шлезвиг-Холштајн Macedonian
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| Landesflagge | |
| Use | Civil flag  |
|---|---|
| Proportion | 3:5 (or 1:2) |
| Adopted | 1948 |
| Design | A horizontal tricolour of blue, white, and red. |
| Landesdienstflagge des Landes Schleswig-Holstein | |
.svg) | |
| Use | State flag |
| Proportion | 3:5 (or 1:2) |
| Adopted | 1948 |
| Design | The civil flag with the addition of the coat of arms. |
The flag of Schleswig-Holstein is a horizontal tricolour of blue, white, and red. Schleswig-Holstein is one of the 16 states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Schleswig.