- Sert is a city located in the Sertão region of Brazil. It is situated in the state of Ceará and has a population of approximately 80,000 people. Sert is known for its hot and dry climate, with temperatures often reaching over 40 degrees Celsius. The city's economy is mainly based on agriculture, with crops such as cotton, beans, and corn being cultivated in the surrounding areas. Sert is also home to a number of cultural and historical attractions, including the historic Church of São Francisco and the Memorial Padre Cícero.