At the end of this work, the protagonist dies of a cholera epidemic besieging the title city.  
The main character of this work gets a desire to travel when he meets a redheaded man outside of a Byzantine mortuary chapel; another redhead appears as a member of a musical group in the hotel in which the main character is staying.  The protagonist has a daydream about Socrates trying to woo Phaedrus, and he compares the object of his affection to both Eros and Narcissus.  He first encounters this love interest, wearing a sailor suit, when he arrives in a hotel on the Lido island.  At the end of this work, the protagonist dies of a cholera epidemic besieging the title city.  FTP, name this work about Gustav von Aschenbach's love for the 15-year-old Tadzio, by Thomas Mann.
The main character of this work gets a desire to travel when he meets a redheaded man outside of a Byzantine mortuary chapel; another redhead appears as a member of a musical group in the hotel in which the main character is staying.  
{Death in Venice} or {Der Tod in Venedig}