Basan is a union under Gazipur Sadar Upazila of Gazipur District with a total area of 36.784 square kilometers. The total population of the union is 57,287 among them 30,945 are male and 26,342 are female.

Map of Basan of Gazipur District.

Map of Basan of Gazipur Sadar Upazila.
Map Courtesy: The Bangladesh Network.