- Silur City is a fictional city that is part of the DC Comics universe. It is located in the kingdom of Vlatava, which is a fictional Eastern European country. Silur City is known for its rich history and architecture, with many ancient landmarks and buildings. It has appeared in various comic book storylines, primarily featuring the superhero Batman. The city is often depicted as corrupt and crime-ridden, providing a dark and gritty backdrop for Batman's crime-fighting escapades.