Gunachaur is a village in Nawanshahr tehsil in district of Shahid Bhagat Singh Nagar, Punjab, India. As per the data provided by Census of India in 2011, total population of Gunachaur was 3,808 which includes 1,986 males and 1,822 females. Gunachaur covers 794 ha area. Pincode of Gunachaur is 144511.