Hougang is an urban planning area and a suburb in north-eastern Singapore. Under classification by the Urban Redevelopment Authority, the area is part of the North-East Region, an urban planning division. Hougang borders Sengkang to the north and Serangoon to the south. Development started around the 1980s. Most of Hougang is residential and encompasses the main Housing and Development Board's housing estate of Hougang New Town.