Tuguegarao, is a 3rd-class component city in the Philippines. It is the capital of the province of Cagayan and the regional and institutional center of Cagayan Valley Region.The city, on the southern border of the province, is located where the Pinacanauan River empties into the Cagayan River and is surrounded by the Sierra Madre Mountains to the east, Cordillera Mountains to the west, and the Caraballo Mountains to the south. The population of the city as of the 2015 census is 153,502 people. Most of the inhabitants are Ilocanos, Ibanags and Itawes. Some are of Chinese and Indian descent.The highest temperature ever recorded in the Philippines -- 42.2C—was recorded in Tuguegarao on April 29, 1912 and again on May 11, 1969. Average temperature during March and April is 38C, one of the highest in the country.BarangaysThe city is politically subdivided into 49 barangays. 31 of these barangays have been classified by the city as urban. Most of the rural barangays have agricultural territories, although some of the urbanized ones have mixed commercial, residential, and agricultural sites.