| Trilj | |
| Official Name: | Grad Trilj Town of Trilj |
| Settlement Type: | Town |
| Pushpin Map: | Croatia |
| Pushpin Map Caption: | Location of Trilj in Croatia |
| Pushpin Label Position: | right |
| Coordinates: | 43.62°N 16.72°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | Historical region |
| Subdivision Name1: | Dalmatia |
| Subdivision Type2: | County |
| Leader Party: | HDZ |
| Leader Title: | Mayor |
| Leader Name: | Ivan Bugarin |
| Area Footnotes: | [1] |
| Area Total Km2: | 268.0 |
| Area Urban Km2: | 2.2 |
| Population As Of: | 2021 |
| Population Total: | 8182 |
| Population Density Km2: | auto |
| Population Urban: | 1906 |
| Population Density Urban Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 21240 |
| Area Code: | 021 |
Trilj (pronounced as /hr/, it|Treglia, la|Pons Tiluri) is a municipality and town in inland Dalmatia, Croatia. It is located northeast of Split.
The total population of the municipality in 2011 was 9,109, with 2,076 in Trilj itself and the rest in small villages. The list of settlements was as follows:
In the area of Trilj there are many archaeological findings dating way back to Mesolithic. The first ethnic group that inhabited this area are the Illyrian tribe Delmati. Delmati people lived in a hill forts along the communication lines that connected their capital Delminium with the Adriatic coast. Hundred and fifty years of fierce fighting against the Romans (165 BC.- 9. AD) ended in defeat of Delmati people, after which Romans built the legionary fortress Tilurium on the hill above Trilj.[2]
At the top of the hill of Gardun, just 1 km south of Trilj, remains of a legionary fortress at Tilurium can be found. Tilurium guarded the entrance to the Cetina valley from the south and the approach to the provincial capital at Salona.[3]
Čačvina Castle is a fortification that guarded approach from Bosnia during the wars with the Ottomans. It is situated from the town at an altitude of in a strategic location enabling its crew to oversee traffic of goods through the mountain passage that goes through the Dinaric Alps and leads to Bosnia. The first written record of this fortification dates to 1345.[4] First written record of fortification dates to 1345.
Nutjak fortification is situated at the entrance of the Cetina river canyon, on a cliff. Fortress was built in the 15th century by nobleman Žarko Dražojević to protect land west of Cetina river from Ottoman invasion.
The village of Košute in the municipality is home to a monument to its war dead from the Second World War and the Croatian War of Independence.[5]
Museum was found in 1996 for the purpose of presentation of artifacts from nearby archaeological site (Roman legionary fortress Tilurium). Along with archaeological artifacts in a part of the museum ethnographic collection from Trilj and surrounding area is presented.
Trilj and surrounding area are popular tourist area, becoming more popular on annual basis. The area has rich history and offers great opportunities for outdoor activities and adventure Holidays. Surrounding is dominated, on one side by Cetina river that is very diverse with white waters and calm parts, and by mountains of dinaric alps on the other side. Some of the activities include Cetina river fishing, canoeing, rafting, Canyoning, horseback riding, cycling and hiking.