Sister Cities International

Washington, DC |
Joined in April 2003

About Us

Sister Cities International is a nonpartisan 501(c)(3) nonprofit that serves as the national membership organization for individual sister cities, counties, and states across the United States. This network unites over 500 U.S. communities…

Areas of Focus Include
  • Economic Development
  • International Relations
  • International Relations
915 15th Street, NW, 4th Floor, Washington, DC 20005