Maria Aurora, officially the Municipality of Maria Aurora, is a municipality in the province of Aurora in the Central Luzon of the Philippines. The population was 40,734 at the 2015 census, making it the most populous municipality in the province. In the 2016 electoral roll, it had 23,341 registered voters. It is the only landlocked town of the province. The Millennium Tree in Balete Park and the lush green landscape is Maria Aurora's main tourist asset. ^ Census of Population. "Region III ". Total Population by Province, City, Municipality and Barangay.