Barthi is a union under Gaurnadi Upazila of Barisal District with a total area of 21.267 square kilometers. The total population of the union is 24,949 among them 12,831 are male and 12,118 are female.

Map of Barthi of Barisal District.

Map of Barthi of Gaurnadi Upazila.
Map Courtesy: The Bangladesh Network.