Azusa sits at the base of the San Gabriel Mountains in Los Angeles County, where the foothills meet the eastern edge of the San Gabriel Valley along historic Route 66. Known locally as the Canyon City, it occupies about 10 square miles and carries a distinctly grounded, working-city feel that sets it apart from more polished suburbs to the west. Azusa Pacific University anchors much of the city's identity, drawing students and staff who give the area steady energy throughout the academic year. The city's neighborhoods range from quieter residential streets near the canyon entrance to denser corridors along Foothill Boulevard and Azusa Avenue, where retail and services concentrate. Housing options include older single-family homes, garden-style apartment communities, and smaller multi-unit buildings typical of San Gabriel Valley suburbs.