What is a good name for made up city?

* New Arcadia: A utopian city known for its harmony and prosperity.

* Edenbrook: A city nestled amidst lush greenery, renowned for its stunning natural beauty.

* Aerona: A technologically advanced city in the skies, known for its floating islands and awe-inspiring views.

* Nocturne: A city perpetually shrouded in darkness, illuminated by bioluminescent creatures and neon lights.