Located in central Tainan County at the foot of Mount Wushan on the western end of the Alishan Range, Kuantien largely comprises fertile plains irrigated by the waters of the Wushantou Reservoir, and produces an abundance of agricultural products including rice, sugar cane, oranges and water caltrops. A classic example of a traditional farming community, Kuantien is Taiwan's top producer of water caltrops, with which its name has long been synonymous.
官田位於台南縣的中心點，阿里山脈西、烏山嶺下。由於官田鄉多為平地，又有烏山頭水庫的水源灌溉，農產品產量多而豐富，主要農產有稻米、甘蔗、柳丁、菱角等，是傳統典型農村社區，也以菱角產量稱首全台，被稱為菱角故鄉。