The same 'chatta' is used not only in the Maizuru dialect area but also in the areas of Tanba dialect and a part of Banshu dialect (Kami-cho, Taka County, Hyogo Prefecture).
なお、「ちゃった」は舞鶴弁だけでなく丹波弁や播州弁の一部地域（兵庫県多可町加美町(兵庫県)）でも用いる。