Cajueiro is a small district located in the state of Piauí, in the northeastern region of Brazil. The district is known for its lush natural beauty, with sprawling green landscapes and a warm, tropical climate. The area is characterized by its rich biodiversity, with an abundance of native flora and fauna. Cajueiro is also famous for its cashew trees, which thrive in the region's fertile soil. The district is a major producer of cashew nuts, and the local economy is heavily reliant on the cashew industry. Visitors to Cajueiro can explore the cashew plantations and learn about the cultivation and processing of this popular nut.