Raška (Raschka, Rascia, Rassa) was the central and most successful medievalSerbian state (or župa, area ruled by a župan) that unified neighboring Serbian tribes into the main medieval Serbian state in Balkans.
Prince Lazar is for Hungary the "Prince of the Kingdom of Rascia", and his son, Stephen Lazarević (1389-1427) - the "Despot of Rascia" or the Despot of "the Kingdom of Rascia".
The German Emperor and the Czech King Charles IV of Luxembourg, the famous founder of the University in Prague, at one rime wrote "to the Rascian King, to dear brother" Stephen Dushan with whom he was connected by the common language.
The reliable facts on Nemanya's Throne in Rascia were left by his sons: Stephen the First-Crowned Serbian King (1196-1228) and St. Sava in the description of the abdication of Stephen Nemanya in 1196.
Hilandar (Greek Chilandar) is an Eastern Orthodox monastery on Mount Athos in Greece, traditionally occupied and maintained by the Serbian Orthodox Church.
Since the Curia already had ambitions to spread its influence to the Balkans as well, Stefan II (PrvovenÄani) used these propitious circumstances to obtain his crown from the Pope, thus becoming the first Serbian king in 1217.
Actually he was only the first Serbian King to came from Rascia, because the first Serbian king was King Mihailo [(1077)] from Zeta.