diff --git a/common/currencies.cds b/common/currencies.cds
new file mode 100644
index 00000000..2b85915b
--- /dev/null
+++ b/common/currencies.cds
@@ -0,0 +1,13 @@
+using { sap } from '@sap/cds/common';
+
+extend sap.common.Currencies with {
+  // Currencies.code = ISO 4217 alphabetic three-letter code
+  // with the first two letters being equal to ISO 3166 alphabetic country codes
+  // See also:
+  // [1] https://www.iso.org/iso-4217-currency-codes.html
+  // [2] https://www.currency-iso.org/en/home/tables/table-a1.html
+  // [3] https://www.ibm.com/support/knowledgecenter/en/SSZLC2_7.0.0/com.ibm.commerce.payments.developer.doc/refs/rpylerl2mst97.htm
+  numcode  : Integer;
+  exponent : Integer; //> e.g. 2 --> 1 Dollar = 10^2 Cent
+  minor    : String; //> e.g. 'Cent'
+}
diff --git a/common/index.cds b/common/index.cds
index cb89e28d..74f9033c 100644
--- a/common/index.cds
+++ b/common/index.cds
@@ -1,45 +1,2 @@
-using { sap } from '@sap/cds/common';
-
-extend sap.common.Currencies with {
-  // Currencies.code = ISO 4217 alphabetic three-letter code
-  // with the first two letters being equal to ISO 3166 alphabetic country codes
-  // See also:
-  // [1] https://www.iso.org/iso-4217-currency-codes.html
-  // [2] https://www.currency-iso.org/en/home/tables/table-a1.html
-  // [3] https://www.ibm.com/support/knowledgecenter/en/SSZLC2_7.0.0/com.ibm.commerce.payments.developer.doc/refs/rpylerl2mst97.htm
-  numcode  : Integer;
-  exponent : Integer; //> e.g. 2 --> 1 Dollar = 10^2 Cent
-  minor    : String; //> e.g. 'Cent'
-}
-
-
-/**
- * The Code Lists below are designed as optional extensions to
- * the base schema. Switch them on by adding an Association to
- * one of the code list entities in your models or by:
- * annotate sap.common.Countries with @cds.persistence.skip:false;
- */
-
-context sap.common.countries {
-
-  extend sap.common.Countries {
-    regions   : Composition of many Regions on regions._parent = $self.code;
-  }
-
-  entity Regions : sap.common.CodeList {
-    key code : String(5); // ISO 3166-2 alpha5 codes, e.g. DE-BW
-    children  : Composition of many Regions on children._parent = $self.code;
-    cities    : Composition of many Cities on cities.region = $self;
-    _parent   : String(11);
-  }
-  entity Cities : sap.common.CodeList {
-    key code  : String(11);
-    region    : Association to Regions;
-    districts : Composition of many Districts on districts.city = $self;
-  }
-  entity Districts : sap.common.CodeList {
-    key code  : String(11);
-    city      : Association to Cities;
-  }
-
-}
+using from './currencies';
+using from './regions';
diff --git a/common/regions.cds b/common/regions.cds
new file mode 100644
index 00000000..73e93755
--- /dev/null
+++ b/common/regions.cds
@@ -0,0 +1,22 @@
+using { sap.common } from '@sap/cds/common';
+namespace sap.common.countries;
+
+extend common.Countries {
+  regions   : Composition of many Regions on regions._parent = $self.code;
+}
+
+entity Regions : common.CodeList {
+  key code : String(5); // ISO 3166-2 alpha5 codes, e.g. DE-BW
+  children  : Composition of many Regions on children._parent = $self.code;
+  cities    : Composition of many Cities on cities.region = $self;
+  _parent   : String(11);
+}
+entity Cities : common.CodeList {
+  key code  : String(11);
+  region    : Association to Regions;
+  districts : Composition of many Districts on districts.city = $self;
+}
+entity Districts : common.CodeList {
+  key code  : String(11);
+  city      : Association to Cities;
+}