Tanjay's territory range is 27,605 hectares (68,210 sections of land) and is used for agrarian, private, business, mechanical, instructive, forestral and different purposes. It is the main city in Negros Oriental with a wide level marsh, albeit rugged and moving slopes are found in the hinterland barangays of Sto. Niño and Pal-ew. Tough regions can likewise be found in Barangays Bahi-an and Sta. Cruz Nuevo.