The Holds are where the majority of the population of Pern lives. There are sixteen major Holds and several minor holds. Each Hold has a Lord or Lady Holder. All Holds in the North are in cave systems.
There are nine Weyrs throughout Pern and one Weyrhold. This is where the dragons and their riders live. In the north, the Weyrs are located in the calderas of extinct volcanoes, and sand wallows elsewhere.
The largest of the three colony ships that brought the original colonists to Pern, the Yokohama is the only remaining ship. It is in a fixed orbit above Landing and gives readings on weather patterns and other important information through the use of an array of satellites about the Southern Continent. The command center for the Red Star Project, the craft is now a derelict ship with minimal oxygen levels.
The only surviving ship of a fleet ambushed by Nathis on Cygnus, the Benden is a large battleship led by Rear Admiral Charks Hatton. In retreat from the enemies, the Benden picked up a derelict craft orbiting a small, earth-type planet...