Basai is a village in Gurgaon Mandal in Gurgaon District in Haryana state in India. Basai is 4 km distance from its district main city Gurgaon and 282 km distance from its state main city Chandigarh. It has a population of about 20980 persons living in around 2195 households. Basai village is famed for Basai wetland home of endangered migrant birds.