
In my writing, some of the fun is mythologyzing events and stuff and coming up with place names!
This is a tad of a spoiler of one of my stories, but the Chernobyl Power Plant, over hundreds of years after a major decline of communication and revival of superstitions has become, 'The Tomb of Cherverus' or similar names, due to regions and other langage differences.
There is only one major place in my world with a nickname, it is called 'The Scar' and nothing more. It is a place where both one of the first civilizations rose, and the place where demons came to be. Currently, it is in the very firm hands of a greater demon.
Nicknames can also come from events and the like, not just geography. They can even come from people.