Malolos, officially the City of Malolos (Lungsod ng Malolos), is a 3rd class component city and capital of the province of Bulacan, Philippines. According to the 2020 census, it has a population of 261,189 people. It is the capital city of the province of Bulacan as the seat of the provincial government. Malolos was the site of the constitutional convention of 1898, known as the Malolos Convention, that led to the establishment of the First Philippine Republic, at the sanctuary of the Barasoain Church. The convent of the Malolos Cathedral served as the presidential palace at that time. Malolos gave birth to the first constitutional republic in Asia. Miguel Lopez de Legazpi conquered the 8 villages along Malolos River and integrated it into one entity dated November 14, 1571, and constituted it as an Encomienda de Malolos the Adelantado entrusted the settlements to conquistador Don Marcos de Herrera. On April 5, 1572, Legazpi merges the encomiendas of Malolos and Calumpit into a single entity to form a new town of Calumpit with Juan Moron and Herrera as co-encomenderos. On April 15, 1572, Legazpi entrusted 6 villages along Atlag River and given it to Don Jeronimo Tirado. Nine years later, Malolos was officially established as a town and included it in Bulacan and dismembered on Alcaldia de Calumpit on June 11, 1580, and accepted as priory with Fray Matheo de Mendoza as its first minister in an Augustinian Council held in Tondo Convent but the civil administration still belongs to its encomendero at that time, Don Jeronimo Tirado. The Tagalog constituted the majority of the Malolos populace although it is said that the town had a Kapampangan origin. They were led by prominent families, among them are descendants of the royal clans of Gatbontons, Gatmaitan, Gatsalian (Gatchalian), Dimagiba, Lakandola, Ladia and Lacancale and in the 17th-19th centuries, Chinese Filipino families through Tondo and Binondo, such as Chichioco, Cojuangco, Chiong, Chico, Cunanan, Tantocos, Tanchangco, Tanjosoy, Tengco, Tenjeco, Tiongson, Lomotan, Manahan, joined by Spanish Filipino families of Adriano, Bautista, Jacinto, Reyes, Santos, Rustia, de Leon, Agustin, Vasquez, Valenzuela, Crisostomo and Estrella.