Defining Gisela

Gisela is a city.
Gisela, Arizona, has a population of 532.
It was founded by miners in the late XIX century. The city was named Gisela because the children were reading the book "Countess Gisela" in school and voted that the settlement should be called Gisela after the book.
It's located near the Tonto National Park
21% of the men are firemen - constantly controlling the clash of the high temperatures and the National Park.

Should Gisela, Arizona, even exist?