Gbantu () is the Sanga Local Government Area headquarters, in southern Kaduna state in the Middle Belt region of Nigeria. It is also the Gwantu Chiefdom headquarters. The town has a post office, with a postal code 801.
The Gwantu two has to season which are the raining and Cold Seasons. the town lays on latitude 9<sup>0</sup> 15' North and Longitude 8<sup>0</sup> 27' 12" East.