This article is about the city in Shabestar County of East Azerbaijan province, Iran. For the administrative division in Shabestar County, seeSis Rural District. For other places with a similar name, seeSis.
At the time of the 2006 National Census, the city's population was 5,127 in 1,391 households.[6] The following census in 2011 counted 5,502 people in 1,586 households.[7] The 2016 census measured the population of the city as 6,106 people in 1,928 households.[4]
^abHabibi, Hassan (13 January 1993) [تاریخ تصویب (Approval date) 1371/10/23 (Iranian Jalali calendar)].شناختن روستای سیس از توابع شهرستان شبستر آذربایجان شرقی به عنوان شهر سیس [Recognizing the village of Sis from the functions of Shabestar County, East Azerbaijan as the city of Sis].لام تا کام [Lam ta Kam] (in Persian).وزارت کشور [Ministry of the Interior].کمیسیون سیاسی دفاعی هیأت دولت [Political Defense Commission of the Government Board].شناسه [ID] F538C2CB-3D57-45CD-A017-C24D259082AC.شماره دوره [Course number] 71. Archived fromthe original on 24 September 2025. Retrieved24 September 2025.
^Sis, Iran can be found atGEOnet Names Server, atthis link, by opening the Advanced Search box, entering "-3086340" in the "Unique Feature Id" form, and clicking on "Search Database".
^سرشماري عمومي نفوس و مسكن 1385 : استان آذربایجان شرقی [General Population and Housing Census 2006: East Azerbaijan Province].مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived fromthe original(Excel) on 20 September 2011. Retrieved25 September 2022.
^سرشماري عمومي نفوس و مسكن 1390 : استان آذربایجان شرقی [General Population and Housing Census 2011: East Azerbaijan Province].Iran Data Portal—Syracuse University (in Persian).مرکز آمار ایران [Statistical Centre of Iran]. Archived fromthe original(Excel) on 16 January 2023. Retrieved19 December 2022.