Hougang (Au-Kang) means "river end" in the Hokkien and Teochew dialects, which refers to the back of Sungei Serangoon where Hougang is located. Before the 1990s, the town was once a large area of forested land dotted with pig farms. Today, based on land area. Hougang is the largest HDB new town. Many of the town's residents speak the Teochew language, as they were from the Teochew community at Kampong Punggol, who were relocated to Hougang.