diff --git a/grids/nl_zh_rotterdam_grid1.csv b/grids/nl_zh_rotterdam_grid1.csv
new file mode 100644
index 0000000..d8f669f
--- /dev/null
+++ b/grids/nl_zh_rotterdam_grid1.csv
@@ -0,0 +1,9 @@
+"row","col","code","name"
+1,1,"NL_304",304
+1,2,"NL_305",305
+2,2,"NL_303",303
+3,1,"NL_302",302
+3,2,"NL_301",301
+2,3,"NL_307",307
+4,1,"NL_308",308
+4,2,"NL_307",307