District 3 is one of the twelve districts in the fictional world of Panem, featured in Suzanne Collins's series, The Hunger Games. It is known for its focus on technology and electronics, producing various devices and innovations that are crucial to the Capitol's infrastructure. The district's residents are skilled in engineering and craftsmanship, often working in factories that create items like cameras, computers, and other electronic goods. District 3 plays a significant role in the overall economy of Panem, contributing to the Capitol's advancements while also facing the challenges of oppression and control by the ruling government.