The barangays of the city is named after the botanical characteristics, topographical features, and historical events that had been observed in the area when it was named. Tunasan from the plant tunas. Putatan got its name from a tree called putat. Cupang is likewise named after the cupang tree. Buli is named after the buri palm. Alabang is named after the river that passes through the barangay. Ayala Alabang was created by Batas Pambansa Bilang 219 and was originally a part of Barangay Alabang. Sucat got its name from the vernacular word "sukat" which means “measurement” since during the Spanish era was always measured.