While sister city agreements are generally maintained at the municipal level rather than the provincial level, cities within the province hold notable international relationships.
* **Utrecht City:** Has engaged in historical twin city relationships and project partnerships with Brno (Czech Republic), León (Nicaragua), and Kinshasa (Democratic Republic of the Congo). * **Amersfoort:** Maintains a sister city relationship with Liberec (Czech Republic). * *Note: In recent years, many Dutch municipalities have shifted from traditional sister-city status to specific, project-based international partnerships focusing on sustainability, health, and urban development.*
