Tarangnan, officially the Municipality of Tarangnan, is a 4th class municipality in the province of Samar, Philippines. According to the 2…Tarangnan, officially the Municipality of Tarangnan, is a 4th class municipality in the province of Samar, Philippines. According to the 2020 census, it has a population of 25,713 people. Tarangnan is situated on the western coast of Samar Island, to the south-east of the ancient town of Bangahon and to the north of Samar's capital Catbalogan. Tarangnan is found near the former ancient pueblo Tinago, the first town to be Christianized and was made a center or cabecera.