Raška architectural school
Raška architectural school (Serbian: Рашка школа архитектуре), also known as the Raška style (Рашки стил, Raški stil), or simply as the Raška school, is an ecclesiastical architectural style that flourished in the Serbian Middle Ages (ca. 1170–1300), during the reign of the Nemanjić dynasty.
Source: Wikipedia — Raška architectural school (CC BY-SA 4.0)