Arizona State University Tempe campus is the main campus of Arizona State University, a public research university with its main campus in Phoenix, Arizona. It is the largest of the four campuses that comprise the university. The campus lies in the heart of Tempe, Arizona, about eight miles (13 km) east of downtown Phoenix. The campus is considered urban, and is approximately 642 acres (2.6 km2) in size. ASU's Tempe campus is arranged around broad pedestrian malls and is completely encompassed by an arboretum. ASU has an extensive public art collection, considered one of the ten best among university public art collections in the United States. Against the northwest edge of campus is the Mill Avenue district (part of downtown Tempe) which has a college atmosphere that attracts many student