11 Facts Y Should Know About the Umlaut
7. HOW DO YOU ALPHABETIZE UMLAUTED VOWELS? DEPENDS ON THE LANGUAGE.
In German, the umlaut is ignored for alphabetization purposes, except when it comes to lists of names. Then, , , and are treated like ue, oe, and ae, respectively, so that variations on the same name (Mller, Mueller) will be grouped together. In Swedish and Finnish the umlauted vowels come at the end of the alphabet (…X,Y,Z,,,). In Hungarian and Turkish the umlauted vowels follow their non-umlauted counterparts.