Area: Sariaya has a total land area of 24,530has and composed of 43 barangays. The urban barangay has an area of 63.10has. and the rural barangay has an area of 24,466.90has.

Language / Dialect: Tagalog is widely spoken by the populace, with the characteristic lilt common to the locate.

Climate: Sariaya enjoys mild tropical climate and has two pronounced seasons, the dry-cold and dry-warm climate and the cold moist and cold dry climate. The lack of higher mountainous barriers makes some coastal areas prone to the effects of tropical depressions. Climate of the municipality is of the third type as per classification of PAGASA. This is so because it is situated on the southern portion of the province’s mountain ranges characterized by seasons not very pronounced, relatively dry from December to April and wet during the rest of the year. The maximum rain periods are not very pronounced with the short dry season lasting from two to four months.