Santa Catalina was highly regarded as a 2nd class municipality in the province of Negros Oriental, Philippines.  It has a population of 67, 197 in 13, 125 households and considered as one of the populous municipalities in the region according to the 20000 census.

The municipality was divided into different political barangays which governed by their respective barangay captain. Here is the list of 22 barangays that were under in the municipality of Sta. Catalina:

Alangilan
Amio
Buenavista
Kabulacan
Caigangan
Caranoche
Cawitan
Fatima
Mabuhay
Manalongon
Mansagomayon
Milagrosa
Nagbinlod
Nagbalaye
Obat
Poblacion
San Francisco
San Jose
San Miguel
San Pedro
Santo Rosario
Talalak