diff --git a/lib/domains/de/ggs-duisburg.txt b/lib/domains/de/ggs-duisburg.txt
new file mode 100644
index 0000000000..3d7c9a4c12
--- /dev/null
+++ b/lib/domains/de/ggs-duisburg.txt
@@ -0,0 +1 @@
+Green Gesamtschule
\ No newline at end of file