The Historic Centre of Ferrara was inscribed on the UNESCO World Heritage List as a shining example of a Renaissance city that has retained its historic centre virtually intact. “The developments in town planning expressed in Ferrara were to have a profound influence on the development of urban design throughout the succeeding centuries”.
In 1999, UNESCO recognition was extended to embrace the Po Delta and the Este ducal residences. The entire property was delineated and nominated Ferrara, City of the Renaissance and its Po Delta in accordance with two criteria:
1 “The Este ducal residences in the Po Delta illustrate the influence of Renaissance culture on the natural landscape in an exceptional manner”.
2 “The Po Delta is an outstanding planned cultural landscape that retains its original form to a remarkable extent”.
From the 23rd report of the World Heritage Committee:
Ferrara, City of the Renaissance and its Po Delta
Inscription N° 733 Bis 1995 - 1999 C (ii)(iii)(iv)(v)(vi)
The Committee approved this extension to the World Heritage site of the City of Ferrara and to inscribe this site on the World Heritage List on the basis of criteria (iii) and (v), in addition to the already existing criteria (ii), (iv) and (vi):
Criterion (iii): “The Este ducal residences in the Po Delta illustrate the influence of Renaissance culture on the natural landscape in an exceptional manner”. Criterion (v): “The Po Delta is an outstanding planned cultural landscape that retains its original form to a remarkable extent”.
“As requested by the State Party, the Committee decided to change the name of the inscribed property to "Ferrara, City of the Renaissance and its Po Delta".