Annual Conference

Connect with Community leaders, citizen diplomats and like-minded volunteers in the name of peace through people.

Save the Date: 2019 Sister Cities International Annual Conference, Houston, Texas, July 17-19.2019.

Registration opens February 2019 – More Details Coming Soon

Venue: Marriott Marquis Houston, 1777 Walker St, Houston, TX 77010 | (713) 654-1777

Make your hotel reservations for Houston now or by dialing Marriott Reservations 1-877-622-3056 and stating you are with the “Sister Cities International” room block.

Be a sponsor. Access our sponsorship packet here.

Thank you to all who attended Sister Cities International’s 2018 Annual Conference and Youth Leadership Summit in Aurora, Colorado! The event was a great success. We’ve shared below photos, a summary, and speaker presentations and remarks from Cities Leading the Way below.

Check back on this page to see details about this year’s Annual Conference in Houston, Texas!

Have questions? Contact us at