Gilgilçay

{{Infobox settlement

|name =Gilgilçay

|settlement_type=Municipality

|native_name =

|pushpin_map =Azerbaijan

|pushpin_mapsize =300

|subdivision_type = Country

|subdivision_name = {{flag|Azerbaijan}}

|subdivision_type1 = Rayon

|subdivision_name1 =Siazan

|leader_title =

|leader_name =

|established_title =

|established_date =

|area_total_km2 =

|area_footnotes =

|population_as_of =

|population_total =959

|population_footnotes ={{citation needed|date=October 2010}}

|population_density_km2 =

|timezone =AZT

|utc_offset = +4

|timezone_DST =AZT

|utc_offset_DST = +5

|coordinates = {{coord|41|08|39|N|49|05|12|E|region:AZ|display=inline,title}}

|elevation_m =

|area_code =

|website =

}}

Gilgilçay (also, Gil’gil’chay) is a village and municipality in the Siazan Rayon of Azerbaijan. It has a population of 959.

== Gilgilchay Wall ==

{{see also|Sasanian defense lines}}

The Gilgilchay defensive wall was built by the Sasanian Empire (488-531). The defensive line were constructed using a combination of mud brick, stone blocks, and baked bricks, and stretched from the shore of the Caspian Sea to the Babadag mountains in the west.{{cite journal |last1=Magomedov |first1=Rabadan |last2=Murtazali |first2=Gadjiev |date=2006 |title=The Gilgilchay Long Defensive Wall: New Investigations |url=https://www.academia.edu/7170335/The_Gilgilchay_Long_Defensive_Wall_New_Investigations |journal=Ancient East and West |volume=5 |issue=1,2 |pages=143–144 |access-date=9 April 2022}} Not far from the Gilgilchay wall is the Shabran wall, located near Shabran village.{{cite web |title=The Caspian Shore Defensive Constructions |url=https://whc.unesco.org/en/tentativelists/1573 |publisher=UNESCO |date=24 October 2001 }}