Sariaya, officially the Municipality of Sariaya, is a 1st class municipality in the province of Quezon, Philippines. According to the 2020 census, i…Sariaya, officially the Municipality of Sariaya, is a 1st class municipality in the province of Quezon, Philippines. According to the 2020 census, it has a population of 161,868 people making it the second most populous in Quezon Province after the capital city of Lucena.