The Sister Cities Program fosters friendly relations and understanding between the citizens of Austin and our sister cities around the world.  The program promotes Austin’s educational, cultural, and economic presence in the international community.

Austin has 14 Sister Cities and 3 Friendship Cities:

Sister Cities

Friendship Cities

Click here to learn about the process for establishing a relationship between Austin and an international city.

More information can also be found at

Austin Sister Cities International (ASCI) is a non-profit organization made up of the chairs of each of Austin's sister cities committees. In September 2011, ASCI put on the September Concert, a celebration of global peace and humanity through music in commemoration of September 11, 2001:

<iframe width="752" height="423" src="" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>