Karaia is a union under Kachua Upazila of Chandpur District with a total area of 25.745 square kilometers. The total population of the union is 37,890 among them 18,851 are male and 19,039 are female.
Map of Karaia of Chandpur District.

Map of Karaia of Kachua Upazila.
Map Courtesy: The Bangladesh Network.