Teresa, officially the Municipality of Teresa (), is a 2nd class municipality in the province of Rizal, Philippines. According to the 2020 census, it has a population of 64,072 people. It is situated in the slopes of the Sierra Madre Mountains and is landlocked on four corners by Antipolo on the north, Angono on the west, Tanay, on the east, and Morong, on the south. Most of the people here are Tagalogs. Teresa is primarily known for the nearby mountain resorts, Villa Sampaguita Resort and Real Cove Resort (Formerly Sunrise Resort, Sunset Resort, and Terra Villa Resort). Contrary to some articles, Teresa is actually a valley surrounded by mountains. The town center is located almost at the center of the valley. In an aerial view of Teresa, one would notice the previously vast expanse of agricultural land bordered by marble-rich mountains. The town is passed by motorists bounded for the more inland towns of Morong, Baras, Tanay, Pililla, and Laguna and Quezon provinces. Land uses (in hectares): Commercial (1.92), Residential (104.32), Agricultural (1183.35), Protected areas (13,952.41), Industrial / Ecozone (710.69), Institutional (112.28), and Special / Other uses (123.03). The town's festivals are the Turumba sa Mahal na Patron Santa Rosa (held every August 23), Anniversary celebration of town independence (every December 30), and Town fiesta (every 1st Sunday of March). History Teresa was first named "Oroquieta" and was a barrio of the Municipality of Morong. As a non-independent town its name was changed to "Santa Rosa" in honor of the town's patron saint, St. Rose of Lima. Against the will of its people, Santa Rosa was annexed to Antipolo, which led to animosity between the two towns. Most of the residents preferred to be under jurisdiction of Morong. Unstable conditions led militant leaders such as Messra. San Esteban, Santo Domingo, Pio Piriquiquit Santos, Raymundo Francisco, Mariano Celo Francisco, Diego P. Cruz, Santiago P. Cruz, Sabino de Ramos, Platon Gonzales, Brigido Capli Cruz,Lorenzo Capli Cruz, Saturnino Francisco, and Francisco Natividad to clamor for independence. In 1877, the Spanish lawyer Don Mariano Rodriguez Candelaria assisted the people in appealing to the Spanish Governor-General for separate ownership. The appeal was given preferential attention, and Santa Rosa was later declared an independent town. In 1900, the people agreed to change the name from Santa Rosa to "Teresa" in honor of the Spanish lawyer's mother, Doña Teresa Candelaria. In 1903, when rebellion broke out, Teresa