Birina Sayek is a village in Titabor tehsil in district of Jorhat, Assam, India. As per the data provided by Census of India in 2011, total population of Birina Sayek was 1,780 which includes 950 males and 830 females. Birina Sayek covers 316.82 ha area. Pincode of Birina Sayek is 785632.