The aggregate area range the city is 80% level or almost level area in the segments of northwestern, eastern and western parts of the city. While neighboring territories have delicately undulating and respectably moving zones, and the rest of the regions constitutes steeply undulating and moving terrains. The Balintocatoc Hills is the most astounding point in the city. The geographic direction of the city lies between 16º35'00" to 16º47'30" north scope and 121º25'00" to 121º37'00" east longitude. Home of a few business ventures, managing an account foundations, instructive substances, and in addition fabricating organizations, Santiago City is viewed as the Commercial and Trading Center of Cagayan Valley and labeled as the Investment Hub of the North. Robinsons Land Corporation has propelled Robinsons Place Santiago as its pioneer shopping center in Cagayan Valley. Vista Land and Lifescapes, Inc. manufactured its first even subdivision in the Valley with Camella Isabela Communities, Inc. It has as of late dispatched another undertaking named as Camella Santiago. The head-office of Grupo Marilens, the biggest homegrown organization in the locale, is in Santiago City. Three of the greatest TV systems in the nation (i.e.ABS-CBN, GMA7, TV5) positioned their provincial systems and depend stations in the city. San Miguel Corp., Pepsi Cola, Purefoods, Digitel and PLDT additionally work in the city while diverse auto organizations abound(i.e. Mitsubishi, Nissan, Suzuki, Hyundai, KIA, Ford, Chevrolet, Peugeot, Foton, Toyota Isabela and other auto organizations and in addition Yamaha and Honda Motors). The National Food Authority contends with neighborhood brokers to balance out costs.