Rasnov is located in the south west of Barsa (Barsa depression) at the foot of Bucegi Mountains and the northern end of the corridor (the pass) Rucar Predeal, Bran and key. Râ history begins with more than 2,000 years ago when the village territory cumidavensi
Dacians lived. Râ ancient name is "Komidava" became latinized toponym "Cumidava" and this form is first mentioned on a stone monument of Emperor Alexander Severus. The first documentary attestation of Râ appears in 1331 under the name "Rosnou" and in the chronicles
and documents reappear later under the names "Rosnow (1343)," Rasnow "(1377)," Rosinov "(1377)," Villa Rosarum "(1388)," Rosenau "," Rajnov "and in medieval and modern times is said to belong among the 12 villages forming the district of Brasov mentioned in
documents in 1377.