Sayyidah Zaynab (Arabic: السيدة زينب, meaning Lady Zaynab) commonly known as Set Zaynab, is a Syrian town in the Rif Dimashq Governorate. With a population of 136,427 (2004 census), Sayyidah Zaynab is the 10th largest city in Syria by population and the largest satellite city of the capital Damascus. It lies only 10 km south of the Syrian capital. Administratively, the town is located in Markaz Rif Dimashq district and belongs to Babbila nahiyah. The municipality of Sayyidah Zaynab is still considered as a rural community by the governorate of Rif Dimashq.