申す (mōsu) means “be called” | MotiTan Japanese Dictionary

More examples

受付では、佐藤と申します。uke tsuke de wa sa tō to mō shi ma su

At the reception desk, I introduce myself as Sato.

It presents the speaker's name or words as something stated humbly to the listener.

言うiu: To state a name or thought in ordinary speech.
名乗るnanoru: To state one's name when introducing oneself.

自分の名前や呼び名を、相手に対してへりくだって言う。ji bun no na mae ya yo bi na o ai te ni tai shi te he ri ku da tte yū

申す (mōsu) is a native Japanese verb that developed from the older form まをす (mawosu, "say humbly"), a humble expression meaning "say" or "report".

The set phrase と申します (to mōshimasu) appears in formal self-introductions to mean "my name is ...", while と言います (to iimasu) is more neutral.