Tilna is a union under Sapahar Upazila of Naogaon District with a total area of 38.94 square kilometers. The total population of the union is 20,304 among them 10,431 are male and 9,873 are female.

Map of Tilna of Naogaon District.

Map of Tilna of Sapahar Upazila.
Map Courtesy: The Bangladesh Network.