About 20,000 families in Barisal division have been observing Eid-ul-Fitr on Sunday in line with Saudi Arabia.
It is the followers of Qaderia and Chistia sects who are celebrating the Eid one day ahead of the rest of the country, according to local sources.
Eid congregations were held in the morning at various places in Sadar, Babuganj and Muladi upazilas in Barisal district.
Jahangir Sikdar, a follower of Chandnaish Shah Sufi Darbar Sharif from Khanpura area under Barisal Sadar upazila, told Dhaka Tribune that they had said the Eid prayer around 9am.
Around 2,500 families in Sadar upazila were celebrating Eid on Sunday, he said adding that some 20,000 families spread across Barisal, Patuakhali, Bhola, Jhalakati and Barguna districts were celebrating Eid simultaneously.