diff --git a/catalogs/trilateral.yaml b/catalogs/trilateral.yaml
index 5b213b86..d7c82a5c 100644
--- a/catalogs/trilateral.yaml
+++ b/catalogs/trilateral.yaml
@@ -69,6 +69,7 @@ collections:
   # - N8_recovery_proxy # removed in new VEDA endpoint
   - N3b_water_quality_tsm_chart
   - N3b_water_quality_chl_chart
+  - N3a2_chl_concentration
   - N3a2_chl_concentration_tri_esa
   - N3a2_chl_concentration_tri_jaxa
   - N3a2_chl_concentration_tri_nasa
diff --git a/collections/N3a2_chl_concentration.yaml b/collections/N3a2_chl_concentration.yaml
index 9f1eb726..33054c0e 100644
--- a/collections/N3a2_chl_concentration.yaml
+++ b/collections/N3a2_chl_concentration.yaml
@@ -43,6 +43,14 @@ Locations:
     Name: Chlorophyll-a concentration in Danube Delta
     Point: [29.9, 45.05]
     Bbox: [28.5, 44, 31, 46]
+  - Identifier: TagusDelta
+    Name: Sea surface temperature in Tagus Delta
+    Point: [-9.32, 38.66]
+    Bbox: [-10.45, 37.5, -8.75, 39.51]
+  - Identifier: ElbeDelta
+    Name: Sea surface temperature in Elbe Delta
+    Point: [8.408, 53.94]
+    Bbox: [ 6.99, 53.35, 9.25, 54.41]
 Resources:
   - EndPoint: https://services.sentinel-hub.com
     Name: Sentinel Hub
diff --git a/collections/N3a2_total_suspended_matter_tri_esa.yaml b/collections/N3a2_total_suspended_matter_tri_esa.yaml
index a52f513e..51bb87f5 100644
--- a/collections/N3a2_total_suspended_matter_tri_esa.yaml
+++ b/collections/N3a2_total_suspended_matter_tri_esa.yaml
@@ -37,14 +37,6 @@ Locations:
     Subtitle: Total suspended matter in Danube Delta
     Point: [29.9, 45.05]
     Bbox: [28.5, 44, 31, 46]
-  - Identifier: TagusDelta
-    Name: Sea surface temperature in Tagus Delta
-    Point: [-9.32, 38.66]
-    Bbox: [-10.45, 37.5, -8.75, 39.51]
-  - Identifier: ElbeDelta
-    Name: Sea surface temperature in Elbe Delta
-    Point: [8.408, 53.94]
-    Bbox: [ 6.99, 53.35, 9.25, 54.41]
 Resources:
   - Group: Sentinel Hub Resources
     EndPoint: https://services.sentinel-hub.com