# Cittadella Vecchia

> building in Pisa, Italy

**Wikidata**: [Q2974397](https://www.wikidata.org/wiki/Q2974397)  
**Source**: https://4ort.xyz/entity/cittadella-vecchia


## References

1. catalogo.beniculturali.it
2. Atlante castellano d'Italia
3. Wiki Loves Monuments Italia
4. lives of the most excellent painters,sculptors,and architects
5. Burgenwelt