Keystone Cities

ARCH Keystone Cities represent a cohort of cities interested in increasing the resilience of their historical areas. They take part in knowledge exchange with ARCH Foundation Cities, a process that is based on mutual learning approaches, where both city groups (Foundation and Keystone) act at the same time as mentors and mentees. 

Keystone cities, and the Foundation Cities with which they have been partnered (marked in bold script) are listed below:

Bratislava, Slovakia
Warsaw, Poland
Zadar, Croatia

Camerino, Italy
Appignano del Tronto, Italy
Rhodes, Greece
Maribor, Slovenia


Hamburg, Germany
Liverpool, UK
Regensburg, Germany
Thessaloniki, Greece

Valencia, Spain
Alba, Italy
Augsburg, Germany
Zaragoza, Spain