context: Geographical location of Madhupur Upazila. It is located on the far side of the highway in Tangail and Mymensingh districts and all north of Tangail district. It has a total volume of 4,5 sq., Km:. The whole upazila consists of a hilly area surrounded by forest. The soil of the honeycomb is geographically red. Tangail to the south of the center of Madhupur Upazila, Jamalpur to the west and Mymensingh district headquarters to the north. Each district headquarters is located 5 km away from the center of Madhupur. It is located on the north by Muktachacha Upazila and Jamalpur District of Mymensingh Division, Ghatail Upazila on the south, Gopalpur and Dhanbari Upazilas on the west and Fulbaria Upazila of Mymensingh on the east.
question: What is the total area of ​​Madhupur upazila in Tangail district of Bangladesh?