Tabina, officially the Municipality of Tabina, is a 4th class municipality in the province of Zamboanga del Sur, Philippines. According to the 20…Tabina, officially the Municipality of Tabina, is a 4th class municipality in the province of Zamboanga del Sur, Philippines. According to the 2020 census, it has a population of 25,734 people. Tabina was formed out of the Municipality of Dimataling on August 16, 1961, by virtue of Executive Order No. 443 signed by President Carlos P. Garcia. Upon its creation, Tabina has twelve barangays which comprised its original territory.