Municipality of Tres IslasThe municipality of Tres Islas is one of the municipalities of Cerro Largo Department, Uruguay, established on 30 October 2018. Its seat is the town of Tres Islas.HistoryThis municipality was created on 30 October 2018 by Departmental Board of Cerro Largo Decree No. 29/2018, covering the same territory of the electoral constituency identified by the Electoral Board of Cerro Largo as series GFA.LocationThe municipality is located at the west area of Cerro Largo Department. Its seat is the town of Tres Islas.AuthoritiesThe authority of the municipality is the Municipal Council, integrated by the Mayor and four Councilors.