diff --git a/conf/mirrors.yaml b/conf/mirrors.yaml
index 6b9c04b9..e0f3e09d 100644
--- a/conf/mirrors.yaml
+++ b/conf/mirrors.yaml
@@ -355,3 +355,8 @@
   flag: ch
   name: Metanet, Switzerland
   url: https://mirror.metanet.ch/sage/
+- active: true
+  cat: e
+  name: Aristotle University of Thessaloniki, Greece
+  url: https://fosszone.csd.auth.gr/sagemath/
+  flag: gr