| Klis Fortress Tvrđava Klis | |
|---|---|
| Klis, near Split Croatia | |
| Klis Fortress built into the south face of a rocky mass, barely discernible as a man-made structure, seen from the state route D1. | |
| Coordinates | 43°33′36″N 16°31′25″E / 43.56°N 16.5235°E | 
| Type | Fortification, mixed | 
| Site information | |
| Controlled by | List of rulers 1.) Small stronghold (Gradina) 
 
 
 2.) Royal Castle 
 3.) Fortress  
 
 
 Lands ruled by Louis in the 1370s. 
 4.) Major strategic value  
 
 5.) Lost its main strategic weight 
 6.) Abandoned as a permanent military outpost 
 | 
| Open to the public | Yes 
 | 
| Condition | Preserved, slightly renovated | 
| Site history | |
| Built | Unknown, probably in the 3rd century BC | 
| Built by | Small stronghold by Illyrian tribe of Dalmatae, later expanded mostly by: 
 | 
| Materials | Limestone | 
List of rulers
1.) Small stronghold (Gradina)

The Roman province of Dalmatia.

The Croats' arrival at the Adriatic.
2.) Royal Castle
3.) Fortress 
Croatian Kingdom c. 1097 - 1102, during succession crisis.

Béla IV flees from the Mongols.