Yazd is a city in the Central District of Yazd County, Yazd province, Iran, serving as capital of the province, the county, and the district. At the 2016 census, its population was 529,673. Since 2017, the historical city of Yazd is recognized as a World Heritage Site by UNESCO.
Because of generations of adaptations to its desert surroundings, Yazd is known for its Persian architecture. It is nicknamed the "City of Windcatchers" from its many examples.
