In 1976 , Chandanaish was separated from Patiya and established as Chandanaish thana and in 1983 it became an upazila .
Chandanaish was previously part of Patiya upazila .
In 1976 , Chandanaish was separated from Patiya upazila and established as Chandanaish thana and in 1983 it became an upazila .
Chandanaish was previously part of Patiya upazila .