 mold () is a town in flintshire, wales, on the river alyn. it is the administrative seat of flintshire county council, and was the county town of clwyd from 1974 to 1996. according to the 2011 uk census, it has a population of 10,058. ==origin of the name== there is some debate about the origin of the placename. mold either originates from the norman-french "mont-hault" (high hill) or from robert de montalt and is recorded as mohald in a document of 1254. the welsh language placename of yr wyddgrug is recorded as gythe gruc in a document of 1280-1, and comes from the words "yr" (the), "gwydd" (tomb, sepulchre) and "crug" (mound). ==history==  a mile west of the town is maes garmon, (the field of germanus), the traditional site of the alleluia victory by british forces led by germanus of auxerre against the invading picts and scots, which occurred shortly after easter, ad430.celtic culture: a historical encyclopedia, volume 1 by john t. koch p806 mold developed around mold castle. the motte and bailey was built by the norman robert de montalt in around 1140. the castle was part of the military invasion of wales by anglo-norman forces. the castle was besieged numerous times by the princes of gwynedd as they fought to retake control of the eastern cantrefs in the perfeddwlad (english: middle country). in 1146, owain gwynedd may have captured the castle; however the event may refer to another castle of the same name in mid-wales. by 1167, henry ii was in 
Post_towns_in_the_CH_postcode_area Towns_in_Flintshire Towns_of_the_Welsh_Marches Welsh_county_towns