District 3 (Persian: منطقه سه شهرداري اصفهان or منطقه 3 شهر اصفهان) is a district in the Iranian city of Isfahan. It has an area of 1148 hectares. it is the tourism entry point of Isfahan city. It is a central business district. It hosts 27 thousand stores just in Grand Isfahan market.
The district has one fire station and two fire departments under development. This district has a subway station.
Two hundred and thirty nine mosques are in this district, along with thirteen libraries, eight gymnasiums and five pools, three parks and four zurkhanehs.