Sister cities

Twinned with Changchun

5 of 27 in this atlas

Changchun maintains formal twinning ties with cities across several continents, including Birmingham in the United Kingdom, Minsk in Belarus, Sendai in Japan, Tijuana in Mexico, and Ulsan in South Korea. Each of these pairings is confirmed as mutual, meaning both cities officially recognize the relationship. The connections span East Asia, Europe, and North America, reflecting a geographically varied set of formal municipal partnerships rather than a regionally concentrated pattern.