See also: List of twin towns and sister cities in Greece
Chrysoupoli is twinned with:
"EETAA local government changes". Retrieved 26 June 2020. https://www.eetaa.gr/eetaa/metaboles/oikmet_details.php?id=18272 ↩
"ΦΕΚ A 87/2010, Kallikratis reform law text" (in Greek). Government Gazette. http://www.et.gr/idocs-nph/search/pdfViewerForm.html?args=5C7QrtC22wGYK2xFpSwMnXdtvSoClrL8-SrPzKAEPjjtIl9LGdkF53UIxsx942CdyqxSQYNuqAGCF0IfB9HI6hq6ZkZV96FIukI0UzcPsWCK0LpLhpa7rhiWB4R5ntTnoWw7U8E1Amg. ↩
"Population & housing census 2001 (incl. area and average elevation)" (PDF) (in Greek). National Statistical Service of Greece. Archived from the original (PDF) on 2015-09-21. https://web.archive.org/web/20150921212047/http://dlib.statistics.gr/Book/GRESYE_02_0101_00098%20.pdf ↩