Underground city

Underground city may refer to any number of subterranean settlements in Gielinor.

• Arposandra - A legendary city said to be founded by the gnome Glouphrie that features heavily in the gnome quest series, which is currently inaccessible
• Dorgesh-Kaan - The Dorgeshuun cave goblin capital beneath southern Misthalin
• Keldagrim - The dwarven capital city, found beneath Trollweiss Mountain
• Miscellania & Etceteria Dungeon (part of which is a town)
• TzHaar City - The capital of the TzHaar race, located beneath Karamja Volcano