Tanba and Tango together are called "Ryo-Tan" (the two "Tan"s), Tanba and Tajima are called "Tan-Tan," and Tanba, Tango and Tajima are called "San-Tan" (the three "Tan"s) all together.
丹波と丹後をあわせて両丹（りょうたん）、丹波と但馬をあわせて但丹または丹但（たんたん）、丹波と丹後、但馬をあわせて三たん（さんたん）と呼ばれる。