Klis is a Croatian village and a municipality located around a mountain fortress bearing the same name.

In the 2011 census, the municipality of Klis had a total population of 4,801, consisting of the following settlements:

Klis is a suburb of the city of Split located in the region of Dalmatia, just northeast of Solin and Split proper near the eponymous mountain pass.

The Klis mountain pass separates the mountains Mosor and Kozjak at an altitude of 360m. It has had major strategic value throughout history because any inland force passing through Klis would have been able to easily reach the entire region of Split and Kaštela.

Due to its geographical position, Klis is also susceptible to a rather strong bura wind.

During the Ottoman wars in Europe, an already existing Roman fortress on a nearby hill was expanded into Klis Fortress. It was the centre of a sanjak within the Province of Bosnia during Ottoman rule. Klis was also ruled by the Kingdom of Bosnia, the Venetian Republic, and Austria-Hungary.

In Klis area was first mentioned name of "Uskoks"

The village is served by local bus from Split city centre.