Gaerwen is a town on the island of Anglesey in the neighborhood of Llanfihangel Ysgeifiog. It is located in the south of the island 4 miles (6.4 km) west of Llanfairpwllgwyngyll and also 4 miles (6.4 kilometres) southeast of Llangefni. The A5 runs through the village, and also the A55 runs just a couple of hundred metres north. According to the 2011 Census Gaerwen is currently listed by the Office for National Statistics as Llanfihangel Ysgeifiog. The population of the area is 1,551. An important Bronze Age stockpile was found near Gaerwen in the 19th century. Comprising 2 gold lockrings and 2 penannular bracelets, it is now in the collections of the British Museum. Facilities in Gaerwen include four pubs, one cars and truck dealership, as well as 4 churches. It is very much a village of the old and also new with two disused windmills in the north of the village and a contemporary industrial estate making up the south west portion of the town. With along a primary school as well as a football join in the center of the town. There is additionally a fish and chip shop with a barber store next door. A science park on the south of the A55 Junction was opened in 2018.