An Nhơn ( listen) is a district-level town of Bình Định Province in the South Central Coast region of Vietnam. As of 2003 the district had a population of 187,737. The district covers an area of 255 km². The district capital is Bình Định. It has a population density of 779 people per km2, and they are distributed unevenly, with high concentrations in the wards of Bình Định and Đập Đá.