FAQs

Visit our City Search tool search for your community and find the primary contact information for your sister city organization. If you don’t find your city, it means they are not currently a member of the Sister Cities International network. To see if your city has a sister city relationship, do some basic research online or contact the […]

All of Sister Cities International’s members are independent organizations and have a number of management structures. Sister city organizations are run by a group of volunteers, representatives from local institutions, the mayor’s office or municipal government, or by some combination of these. Most often sister city organizations are incorporated as 501(c)(3) nonprofits, although the municipal

Sister city relationships develop from a number of sources, including but not limited to: preexisting mayoral relationships, trade relationships, historical connections, ancestral/demographic connections, expatriate communities, shared geographic/sector challenges, faith-based groups, and personal experiences ranging from study/work abroad to marriages.

Explore our most recent Membership Directory or use our City Search database to find sister city relationships, contact information, and website information for all current members.