Syana Tehsil SayÃÂnàTahasël) is one of the seven tehsils (sub-districts) in district of Bulandshahar, India. Syana tehsil has 04 Census towns and 169 villages. The name of the tehsil is also written as "Siana" or "Siyana". As per Delimitation order of 2008 by Election Commission of India, the name of the tehsil is "Syana".
Syana Tehsil comprises four census towns. The biggest census town is Siana Nagar Palika Parishad (population of 44,415) and smallest is Bhawan Bahadur Nagar Nagar Panchayat (population of 10,188). Following is the list of all the towns along with the population as per 2011 census.