Cwm Silicon is an epithet applied to a region of South Wales

South Wales

South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...

 in the far west of Newport

Newport

Newport is a city and unitary authority area in Wales. Standing on the banks of the River Usk, it is located about east of Cardiff and is the largest urban area within the historic county boundaries of Monmouthshire and the preserved county of Gwent...

 that attracted much interest and inward investment

Inward investment

Inward investment is the injection of money from an external source into a region, in order to purchase capital goods for a branch of a corporation to locate or develop its presence in the region....

 from the technology sector in the early 2000s.

The future of the area as an important technological centre is now uncertain following the closure of its key LG factory in August 2003. The area is next to the M4

M4 motorway

The M4 motorway links London with South Wales. It is part of the unsigned European route E30. Other major places directly accessible from M4 junctions are Reading, Swindon, Bristol, Newport, Cardiff and Swansea...

 and is a centre for high-technology companies, like much of the M4 corridor

M4 corridor

The M4 corridor is the area in the United Kingdom adjacent to the M4 motorway, which runs from London to South Wales. The area is a major hub for high-technology companies...

.