Tepe Sialk is a large ancient archeological site (a tepe or Persian

Persian language

Persian is an Iranian language within the Indo-Iranian branch of the Indo-European languages. It is primarily spoken in Iran, Afghanistan, Tajikistan and countries which historically came under Persian influence...

 tappeh, "hill" or "mound") in a suburb of the city of Kashan

Kashan

Kashan is a city in and the capital of Kashan County, in the province of Isfahan, Iran. At the 2006 census, its population was 248,789, in 67,464 families....

, Isfahan Province, in central Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

, close to Fin Garden

Fin Garden

Fin Garden, or Bagh-e Fin, located in Kashan, Iran, is a historical Persian garden. It contains Kashan's Fin Bath, where Amir Kabir, the Qajarid chancellor, was murdered by an assassin sent by King Nasereddin Shah in 1852.-History:...

. The culture that inhabited this area has been linked to the Zayandeh Rud Civilization.
The Sialk mound was built around the 8th century BC. A joint study between Iran's Cultural Heritage Organization, the Louvre

Louvre

The Musée du Louvre – in English, the Louvre Museum or simply the Louvre – is one of the world's largest museums, the most visited art museum in the world and a historic monument. A central landmark of Paris, it is located on the Right Bank of the Seine in the 1st arrondissement...

, and the Institut Francais de Recherche en Iran

Institut Français de Recherche en Iran

The Institut Français de Recherche en Iran is an archeological and historical institute located in Tehran, which is part of the cultural wing of the French embassy. It studies ancient Persian antiquities....

 also verifies the oldest settlements in Sialk to date back to 5500–6000 BC.

Tepe Sialk is a mud-brick platform, possibly a support for some kind of building standing atop the platform but not necessarily a temple.