There is frequent bus service along the Cagayan Valley Road, between Manila and Tuguegarao and vice versa. Santiago, officially the City of Santiago (Ilocano: Siudad ti Santiago; Ibanag: Siudad nat Santiago; Gaddang: Siudad na Santiago; Tagalog: Lungsod ng Santiago), is a 1st class independent component city in the province of Isabela, Philippines.According to the 2015 census, it has a population of 134,830 people. Welcome to the Santiago google satellite map! The jeepney fare from Solano to Santiago is ₱60.The a/c bus fare from Santiango to Tuguegarao is ₱190.. Get around [] This place is situated in Isabela, Region 2, Philippines, its geographical coordinates are 16° 41' 34" North, 121° 32' 55" East and its original name (with diacritics) is Santiago. The Zip Code of Santiago City, Isabela is 3311. Santiago City (Officially named as City of Santiago) is a 1st class city in the province of Isabela, Philippines.According to the latest census, it has a population of 126,244 people in 22,401 households. Isabela is composed of 37 Barangays, having 3300 to 3336 Zip Code and within Cagayan Valley (Region II). List of zip codes. Santiago City is a landlocked city in Isabela, Philippines.. Get in []. See Santiago photos and images from satellite below, explore the aerial photographs of Santiago in Philippines. Santiago City Santiago, officially the City of Santiago, is a 1st class independent component city in the province of Isabela, Philippines.According to the 2015 census, it has a population of 134,830 people.Formerly known as Pueblo de Carig during the time of the Spanish, it is located between southwestern part of Isabela and northwestern boundary of Quirino in Northeastern Luzon island of … Santiago City is located in: Pilipinas, Cagayan Valley, Isabela, Santiago City.