Administration Office, often called Admin Office, are exchange plateforms located in most cities, space stations and outposts. These offices are often used by players in Star Citizen as most of them provide multiple services such as trading terminals, mining terminals and Covalex Shipping relays. These relays are used by the player for legal or illegal box retrieval and delivery missions. Each offices have a NPC working there with whom you can interact.
All of the locations of the 66 administration offices throughout the Persistent Universe (a3.12).