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Member cities

Vallejo Sister City Association Celebrates Community and Culture at 5th Annual Black & White Gala

A group of people dressed in formal attire stand indoors, posing for a photo behind a sign listing sister and friendship cities with various international flags at the Vallejo Sister City Association Black & White Gala, celebrating community and culture.

Elegance, community spirit, and a shared commitment to global understanding defined the Vallejo Sister City Association’s (VSCA) 5th Annual Black & White Gala, held Feb. 28, 2026, at the beautiful Vallejo Yacht Club. After a one-year hiatus — the last

Clay Curtin February 28, 2026April 19, 2026 Member cities Read more

Northern California Voices at the 2025 Youth Leadership Summit

A large group of people in matching blue shirts pose for a photo outside at the 2025 Youth Leadership Summit, with the Washington Monument and National Mall visible in the background.

We’re thrilled to share highlights from the 2025 Youth Leadership Summit, held June 15-21 at American University in Washington, D.C., and hosted by Sister Cities International. This year, nine outstanding students from Northern California representing Walnut Creek, Menlo Park, Davis,

Clay Curtin July 1, 2025April 18, 2026 Member cities, Northern California, Sister Cities International Read more

NorCal Bell Ringing Ceremony

On August 5 and 8, 2020, Sister Cities International organized an international bell ringing commemoration of the 75th anniversary of peace between the United States of America and Japan since the dropping of the atomic bombs on Hiroshima and Nagasaki.

Clay Curtin November 17, 2020August 29, 2023 Member cities, Northern California Read more
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Recent Posts

  • Summer in Japan: High School Students Invited to Apply for 2026 Homestay in Okayama
  • Cupertino students depart for annual exchange with Copertino, Italy
  • Photographs, Prints, and Embroidery: Sacramento Exhibit Tells Gaza’s Story in Its Own Words
  • Camellias, Taiko, and Cultural Exchange: MSSCC Marks a Busy Spring Across Sacramento
  • Tsuchiura Exchange brings new friendships, old connections
  • Sacramento-Havana Friendship City pauses spring travel plans amid ongoing challenges
  • Sacramento delegation visits Morelia, Mexico in steps toward new sister city partnership
  • Sacramento sister city group reports strong pottery sales to fund scholarships
  • Sacramento’s Yongsan Sister City Marks Korean Independence Movement Day and Supports UC Davis Students
  • Sacramento Youth Ambassadors Head to China in 2026 to Build Bridges Across Cultures

NORCAL SCI

The mission of the Northern California Chapter of Sister Cities International (NORCAL SCI) is to assist Sister Cities International members by promoting and developing sister city activities in Northern California.

Sister Cities International

Sister Cities International's mission is to promote peace through mutual respect, understanding, cooperation – one individual, one community at a time.

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Sister Cities International website

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