Regions named 'Columbia'

You've hit a name which points to 4 regions until now known within the Badge(r)s game:

• Region in Howard County, Maryland, in United States of America.
• Region in Richland County, South Carolina, in United States of America.
• Region in Boone County, Missouri, in United States of America.
• Region in Tuolumne County, California, in United States of America.