The Cardiff accent is the regional accent of English spoken in and around Cardiff, Wales. It is estimated that around 500,000 people speak with the Cardiff accent. The formation of the modern Cardiff accent has been influenced by Irish immigration, similar to the Liverpool accent. The Cardiff accent shares many phonetic traits with northern English accents but differs in being non-rhotic. Some distinguishing features include pronouncing 'a' as 'ah' and dropping the 'th' sound in words like 'that'.