Castra of Drajna de Sus
Location within Romania
Founded	2nd century AD[1]
Abandoned	2nd century AD[1]
Place in the Roman world
Administrative unit	Moesia
Structure
— Stone structure —
Construction technique	Opus incertum[2]
Stationed military units
— Legions —
vexill. I Italica[3][2] vexill. XI Claudia[3]
Location
Coordinates	45°15′41″N 26°04′13″E / 45.261316°N 26.070340°E / 45.261316; 26.070340
Altitude	463 m (1,519 ft)
Place name	La Grădiște
Town	Drajna de Sus
County	Prahova
Country	Romania
Reference
RO-LMI	PH-I-s-B-16174 [4]
RO-RAN	132903.01 [1]
Site notes
Recognition	National Historical Monument
Condition	Ruined
Excavation dates	1983 - 1992 [3] 1994 [2] 1995 [5] 2011 [6]
Archaeologists	Alin Anton[6] Cristian M. Vlădescu[3] Florin Topoleanu[6] Marinela Peneș[2][5][6] Mihail Zahariade[3][2][5][6] Romeo Avram[3] Victor Teodorescu[3][2] Traian Dvorski[2][5]

The castrum of Drajna de Sus was a fort in the Roman province of Dacia.^[1][3]