The Old Irish form is Fland. In modern Irish, Flann is pronounced in three different ways according to the three main dialects: Gaedhlig Uladh [Ulster Irish, northern] has /fˠl̻ˠan̻ˠ/ kind of like English "flan"; Gaeilge Chonnacht [Connaught Irish, western] has /fˠl̻ˠaːn̻ˠ/ like English "lawn" with an f before it; Gaelainn na Mumhan [Munster Irish, southern] has /fˠl̻ˠaun̻ˠ/ like English "clown" if it began with an f.