[2] The municipality has boundaries with Posse, Alvorada do Norte, Guarani de Goiás, Nova Roma and São Domingos, and contains the following settlements: Claretiana, Extrema, Levantado and Água Quente.

The main economic activities are cattle raising and agriculture (rice, beans, corn and bananas).

Iaciara is ranked 206 out of 242 municipalities in the state of Goiás on the United Nations Human Development Index with a score of 0.704.

[5] The history of Iaciara began on 13 June 1881 when, at the Boa Vista ranch, the slave Miguel Cardoso da Conceiçao called for a prayer in the name of Santo Antonio.

Since this prayer became traditional the owner of the ranch, Protassio de Souza, had structures of palm built to shelter the pilgrims.