Koyra Upazila
Koyra (Bengali: কয়রা) is an upazila of the Khulna District of Bangladesh. It's the 3rd largest Upazila in Bangladesh after the Shyamnagar (1968 sq km) and Baghaichari (1931 sq km) upazilas.
Water bodies Main rivers: dharla, pasur, arpangachhia, Taldhup, Malancha, kobadak, ball; Koyra canal is notable.