As of the late 23rd century Stockholm was a city in Eurasia-NE. At that time, it was the home of the Central Bureau of Penology, the organization that directed the activities of the Tantalus Penal Colony and acted as a clearinghouse for research information generated at that colony. (TOS: "Dagger of the Mind")
- Present day Stockholm is, of course, the capital of Sweden. However, the cargo container shown did not mention Sweden, only Eurasia-NE, leaving open the existence of Sweden in the 23rd century.