Join一 科学与技术 upcoming events being held in San Antonio. San Antonio is a vibrant city located in the province of Zambales in the Philippines, known for its rich history, natural attractions such as the beautiful beaches of Pundaquit and the majestic Mount Cinco Picos, and exciting local events like the annual Pista'ya Dayat (Sea Festival) that celebrate the city's cultural heritage and love for the sea.