Kasiais is a union under Patiya Upazila of Chittagong District with a total area of 9.404 square kilometers. The total population of the union is 9,926 among them 5,000 are male and 4,926 are female.

Map of Kasiais of Chittagong District.

Map of Kasiais of Patiya Upazila.
Map Courtesy: The Bangladesh Network.