Barangay Matandang Sabang Silangan

Situated in Catanauan, Quezon, Barangay Matandang Sabang Silangan is one of 46 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay Matandang Sabang Silangan had a population of 1,937. This made it the 13th largest of 46 barangays in Catanauan by population, placing it in the upper half of the municipality. Residents of Barangay Matandang Sabang Silangan accounted for approximately 2.66% of the total population of Catanauan, which stood at 72,752 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Matandang Sabang Silangan changed from 1,749 to 1,937, a shift of +10.7% over the five-year period. This places the barangay among those with growing populations in Catanauan. Barangay Matandang Sabang Silangan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Catanauan is a municipality comprising 46 barangays, and serves as the governing unit directly responsible for local services in Barangay Matandang Sabang Silangan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Matandang Sabang Silangan ranks 314th by 2020 population. Quezon is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Matandang Sabang Silangan is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.