Almagro is a 5th class municipality in the province of Samar, Philippines. According to the 2000 census, it has a population of 10,619 people in 2,192 households.
Almagro is politically subdivided into 23 barangays.
- Bacjao
- Biasong I
- Costa Rica
- Guin-ansan
- Kerikite
- Lunang I (Look)
- Lunang II
- Malobago
- Marasbaras
- Panjobjoban I
- Poblacion
- Talahid
| - Tonga-Tonga
- Imelda (Badjang)
- Biasong II
- Costa Rica II
- Mabuhay
- Magsaysay
- Panjobjoban II
- Roño
- San Isidro
- San Jose
- Veloso
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