Sister Cities International

"Add Your Voice for Peace Sister Cities International is a vibrant global network of communities working tirelessly toward a more peaceful world."


Sister City Directory

"Does my city have a sister city?" "How many sister cities are there in Australia, or in Missouri?" Sister Cities International's online membership directory is the place to answer these and similar questions, and to discover the world of sister city partnerships. The online directory lists Sister Cities International members and their sister city partnerships around the world. Through this directory you can search by region and by country. You can then link directly to the specific information about each of these unique sisters city relationships."