| Municipality of Piran | |
| Native Name: | Občina Piran, Comune di Pirano |
| Native Name Lang: | sl |
| Settlement Type: | Municipality |
| Coordinates: | 45.4833°N 50°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Slovenia |
| Leader Title: | Mayor |
| Leader Name: | Đenio Zadković |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 44 |
| Population Total: | 18441 |
| Population As Of: | 1 July 2021 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +02 |
| Website: | https://www.piran.si/ |
The Municipality of Piran (in Slovenian pronounced as /piˈɾáːn/; Slovenian: Občina Piran, Italian: Comune di Pirano) is a municipality in the traditional region of the Littoral in southwestern Slovenia. The seat of the municipality is the town of Piran. Piran became a municipality in 1994.[2]
The Municipality of Piran borders Croatia to the south and the municipalities of Izola and Koper to the east, and it faces Italy across the Gulf of Trieste and the Adriatic Sea. The highest point, Baretovec pri Padni, is 289m (948feet) high.[3]
In addition to the municipal seat of Piran, the municipality also includes the following settlements:
The municipality is bilingual; both Slovene and Italian are official languages. According to the Austrian language census of 1910, in the surrounding countryside within the municipal limits, the population was mixed, both Italian and Slovene, with some villages (such as Sveti Peter and Padna) which were almost entirely Slovene-speaking, and others (such as Sečovlje and Seča) that were almost exclusively Italian-speaking. As a whole, 85.1% of the population of the Municipality of Piran were Italian speakers, and 15.2% were Slovenes.