Where is hell on earth?

hell of Earth

Examples:

Leonie's story is that of a woman whose marriage gradually changed from paradise to hell on earth. [Leipziger Volkszeitung, November 16, 2018]

[…] Her father sent her [a fictional character] to the island of Sprogø as a punishment in 1961, where she was supposed to be led back on the path of virtue in a reformatory and women's clinic. In reality this place is hell on earth. There, rebellious teenagers and "dissolute" women are incapacitated, abused and subjected to cruel experiments. [Neue Osnabrücker Zeitung, June 20, 2019]

Corinna T […] is one of many who had to experience hell on earth in the youth work centers. The experiences with drill, coercion and pain still shape her life today. But she managed to use this experience to help other people. [Döbelner Allgemeine Zeitung, 14.09.2018]

A few years ago he explained [Jake Lloyd] [...] why he had turned his back on acting: "My school days were really hell on earth - and I had to do 60 interviews a day." Because of his role [of the young Anakin Skywalker in the first Star Wars episode] he was teased by other children. [Failed child stars, 06/22/2015, accessed on October 16, 2019]

Hardly anyone doubts that the wars made Eastern Congo a hell on earth. [Neue Zürcher Zeitung, April 26, 2014]

She started hurting herself, but that wasn't enough for her. Then she ate less, and soon almost nothing at all. In a short period of time she lost weight rapidly, which is why she argued incessantly with her parents who refused to allow their daughter to fast. "It was hell on earth," is how she describes her desperate situation from today's perspective. [Reutlinger General-Anzeiger, December 31, 2011]