Tuas, estate, an area located in the West Region. The name is derived from a daytime fishing method used in the past. The area was swamp land which was later cleared for squatter settlement. It became a popular fishing village, and, in the old days, it was not unusual to see about 200 fishing boats in Tuas every morning. With 6 subzones, it is bounded by Tengeh Reservoir to the north; Selat Johor to the west; Straits of Singapore to the south; and Pan Island Expressway, Tuas Road, Southern Tuas Basin and Tuas Bay to the east. The total area is approximately 1,702 ha.