Balangkayan (IPA: [ˌbalaŋˈkajan]), officially the Municipality of Balangkayan (Waray: Bungto han Balangkayan; Tagalog: Bayan ng Balangkayan), is a municipality in the province of Eastern Samar, Philippines.

[3] Balangkayan is politically subdivided into 15 barangays.

[5] Each barangay consists of puroks and some have sitios.

In the 2020 census, the population of Balangkayan, Eastern Samar, was 10,185 people,[3] with a density of 49 inhabitants per square kilometre or 130 inhabitants per square mile.

Poverty incidence of Balangkayan Source: Philippine Statistics Authority[11][12][13][14][15][16][17][18] The Minasangay Island Marine Ecological Park and Resort known for its cliff diving, scuba diving, mangroves and coral reefs is a popular gateway for the locals of the province.