Itabuna is a municipality in Bahia, Brazil. It is the 6th largest city in Bahia by population after Salvador, Feira de Santana, Camaçari, Vitória da Conquista, and Juazeiro. It had an estimated 214,123 residents in 2021. Itabuna covers a total area of 401 square kilometres (155 sq mi) and has a population density of 550 residents per square kilometer.

Bahia is one of the 26 states of Brazil, located in the Northeast Region of the country. It is the fourth-largest Brazilian state by population and the 5th-largest by area. Bahia's capital is the city of Salvador, on a spit of land separating the Bay of All Saints from the Atlantic. Once a monarchial stronghold dominated by agricultural, slaving, and ranching interests, Bahia is now a predominantly working-class industrial and agricultural state. The state is home to 7% of the Brazilian population and produces 4.2% of the country's GDP.