Panel A: Map of Bangladesh showing the 7 Divisions (Rangpur, Rajshahi, Dhaka, Sylhet, Chittagong, Khulna, Barisal), 64 districts boundary and Dhaka district (shaded part within Dhaka division); Panel B: Dhaka district showing different Upazilla (sub-district) boundary with river and water bodies and Dhaka City wards (shaded); Panel C: Dhaka City divided into 10 zones (Zone 1 to 5: Dhaka South City Corporations and Zone 6 to 10: Dhaka North City Corporation); Panel D: Dhaka City wards with respective ward number and free-roaming dog population surveys have been conducted in red colour wards (see Materials and Methods).