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A sister city, county, or state relationship is a broad-based, long-term partnership between two communities in two countries. A relationship is officially recognized after the highest elected or appointed official from both communities sign off on an agreement to become sister cities.
As an organization that links jurisdictions in the U.S. with communities worldwide, Sister Cities International recognizes, registers, and coordinates relationships among cities, counties, provinces, and other subnational political divisions at various levels.
WHAT WE DO. Sister Cities International serves as the national membership organization for sister city programs in over 300 communities, with relationships in over 2,000 communities in more than 140 countries.
ABOUT US. Founded by President Dwight D. Eisenhower in 1956, Sister Cities International is a nonpartisan 501 (c) (3) nonprofit which serves as the national membership organization for individual sister cities, counties, and states across the United States.
Founded by President Dwight D. Eisenhower in 1956, Sister Cities International is a nonpartisan 501(c)(3) nonprofit which serves as the national membership organization for individual sister cities, counties, and states across the United States. This network unites tens of thousands of citizen diplomats and volunteers in nearly 500 member ...
A sister city, county, or state relationship is officially recognized after the highest elected or appointed official from both communities sign off on an agreement. A city may have any number of sister cities, with community involvement ranging from a half dozen to hundreds of volunteers.
Sister Cities International has a rich history of citizen diplomacy and building relationships all across the world. See our timeline below for the best moments from the first sister city relationship to our 50th anniversary conference.
