District 4 (Vietnamese: Quan 4) is the smallest urban district of Ho Chi Minh City, the largest city in Vietnam. The Saigon Port is located here. As of 2010, the district had apopulation of 183,261 and atotal areaof 4 km2. A number of large apartment buildings have been built over the past decade in District 4 including Rivergate Residence, Millenium, Galaxy 9, and Icon 56.