diff --git a/api/routers/edr.py b/api/routers/edr.py
index 1194f8f2..6445298a 100644
--- a/api/routers/edr.py
+++ b/api/routers/edr.py
@@ -34,7 +34,9 @@ async def get_locations(bbox: str = Query(..., example="5.0,52.0,6.0,52.1")) ->
     poly = geometry.Polygon([(left, bottom), (right, bottom), (right, top), (left, top)])
     ts_request = dstore.GetObsRequest(
         filter=dict(instrument=dstore.Strings(values=["tn"])),  # Hack
-        inside=dstore.Polygon(points=[dstore.Point(lat=coord[1], lon=coord[0]) for coord in poly.exterior.coords]),
+        spatial_area=dstore.Polygon(
+            points=[dstore.Point(lat=coord[1], lon=coord[0]) for coord in poly.exterior.coords]
+        ),
     )
 
     ts_response = await getObsRequest(ts_request)
@@ -73,7 +75,7 @@ async def get_data_location_id(
             platform=dstore.Strings(values=[location_id]),
             instrument=dstore.Strings(values=list(map(str.strip, parameter_name.split(",")))),
         ),
-        interval=dstore.TimeInterval(start=range[0], end=range[1]) if range else None,
+        temporal_interval=dstore.TimeInterval(start=range[0], end=range[1]) if range else None,
     )
     response = await getObsRequest(get_obs_request)
     return edr_formatter[f].convert(response)
@@ -114,8 +116,10 @@ async def get_data_area(
     range = get_datetime_range(datetime)
     get_obs_request = dstore.GetObsRequest(
         filter=dict(instrument=dstore.Strings(values=list(map(str.strip, parameter_name.split(","))))),
-        inside=dstore.Polygon(points=[dstore.Point(lat=coord[1], lon=coord[0]) for coord in poly.exterior.coords]),
-        interval=dstore.TimeInterval(start=range[0], end=range[1]) if range else None,
+        spatial_area=dstore.Polygon(
+            points=[dstore.Point(lat=coord[1], lon=coord[0]) for coord in poly.exterior.coords]
+        ),
+        temporal_interval=dstore.TimeInterval(start=range[0], end=range[1]) if range else None,
     )
     coverages = await getObsRequest(get_obs_request)
     coverages = edr_formatter[f].convert(coverages)
diff --git a/datastore/datastore/README.md b/datastore/datastore/README.md
index ee628f30..85dedfd7 100644
--- a/datastore/datastore/README.md
+++ b/datastore/datastore/README.md
@@ -217,27 +217,27 @@ $ grpcurl -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.D
 ### Retrieve observations in a time range
 
 ```text
-$ grpcurl -d '{"interval": {"start": "2023-01-01T00:00:00Z", "end": "2023-01-01T00:00:10Z"}}' -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.Datastore.GetObservations
+$ grpcurl -d '{"temporal_interval": {"start": "2023-01-01T00:00:00Z", "end": "2023-01-01T00:00:10Z"}}' -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.Datastore.GetObservations
 ...
 ```
 
 ### Retrieve observations in a polygon
 
 ```text
-$ grpcurl -d '{"inside": {"points": [{"lat": 59.90, "lon": 10.70}, {"lat": 59.90, "lon": 10.80}, {"lat": 60, "lon": 10.80}, {"lat": 60, "lon": 10.70}]}}' -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.Datastore.GetObservations
+$ grpcurl -d '{"spatial_area": {"points": [{"lat": 59.90, "lon": 10.70}, {"lat": 59.90, "lon": 10.80}, {"lat": 60, "lon": 10.80}, {"lat": 60, "lon": 10.70}]}}' -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.Datastore.GetObservations
 ...
 ```
 
 ### Retrieve observations in both a time range and a polygon
 
 ```text
-$ grpcurl -d '{"interval": {"start": "2023-01-01T00:00:00Z", "end": "2023-01-01T00:00:10Z"}, "inside": {"points": [{"lat": 59.90, "lon": 10.70}, {"lat": 59.90, "lon": 10.80}, {"lat": 60, "lon": 10.80}, {"lat": 60, "lon": 10.70}]}}' -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.Datastore.GetObservations
+$ grpcurl -d '{"temporal_interval": {"start": "2023-01-01T00:00:00Z", "end": "2023-01-01T00:00:10Z"}, "spatial_area": {"points": [{"lat": 59.90, "lon": 10.70}, {"lat": 59.90, "lon": 10.80}, {"lat": 60, "lon": 10.80}, {"lat": 60, "lon": 10.70}]}}' -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.Datastore.GetObservations
 ...
 ```
 
 ### Retrieve wind speed and air temperature observations in a time range and a polygon
 ```text
-$ grpcurl -d '{"filter": {"standard_name": {"values": ["wind_speed", "air_temperature"]}}, "interval": {"start": "2023-01-01T00:00:00Z", "end": "2023-01-01T00:00:10Z"}, "inside": {"points": [{"lat": 59.90, "lon": 10.70}, {"lat": 59.90, "lon": 10.80}, {"lat": 60, "lon": 10.80}, {"lat": 60, "lon": 10.70}]}}' -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.Datastore.GetObservations
+$ grpcurl -d '{"filter": {"standard_name": {"values": ["wind_speed", "air_temperature"]}}, "temporal_interval": {"start": "2023-01-01T00:00:00Z", "end": "2023-01-01T00:00:10Z"}, "spatial_area": {"points": [{"lat": 59.90, "lon": 10.70}, {"lat": 59.90, "lon": 10.80}, {"lat": 60, "lon": 10.80}, {"lat": 60, "lon": 10.70}]}}' -plaintext -proto protobuf/datastore.proto 127.0.0.1:50050 datastore.Datastore.GetObservations
 ...
 ```
 
diff --git a/datastore/datastore/dsimpl/getobservations.go b/datastore/datastore/dsimpl/getobservations.go
index 5aea6fae..fbefd06d 100644
--- a/datastore/datastore/dsimpl/getobservations.go
+++ b/datastore/datastore/dsimpl/getobservations.go
@@ -12,7 +12,7 @@ func (svcInfo *ServiceInfo) GetObservations(
 	*datastore.GetObsResponse, error) {
 
 	// do general validation of any obs time interval
-	if ti := request.Interval; ti != nil {
+	if ti := request.GetTemporalInterval(); ti != nil {
 		if ti.Start != nil && ti.End != nil {
 			if ti.End.AsTime().Before(ti.Start.AsTime()) {
 				return nil, fmt.Errorf("end(%v) < start(%v)", ti.End, ti.Start)
diff --git a/datastore/datastore/go.mod b/datastore/datastore/go.mod
index 25de7865..91f0cdf6 100644
--- a/datastore/datastore/go.mod
+++ b/datastore/datastore/go.mod
@@ -10,7 +10,7 @@ require (
 )
 
 require (
-	github.com/golang/protobuf v1.5.3
+	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/lib/pq v1.10.0
 	golang.org/x/net v0.11.0 // indirect
 	golang.org/x/sys v0.9.0 // indirect
diff --git a/datastore/datastore/storagebackend/postgresql/getobservations.go b/datastore/datastore/storagebackend/postgresql/getobservations.go
index cef48ac5..b10de184 100644
--- a/datastore/datastore/storagebackend/postgresql/getobservations.go
+++ b/datastore/datastore/storagebackend/postgresql/getobservations.go
@@ -316,9 +316,9 @@ func getStringMdataFilter(
 func createObsQueryVals(
 	request *datastore.GetObsRequest, phVals *[]interface{}) (string, string, string, error) {
 
-	timeFilter := getTimeFilter(request.GetInterval())
+	timeFilter := getTimeFilter(request.GetTemporalInterval())
 
-	geoFilter, err := getGeoFilter(request.Inside, phVals)
+	geoFilter, err := getGeoFilter(request.GetSpatialArea(), phVals)
 	if err != nil {
 		return "", "", "", fmt.Errorf("getGeoFilter() failed: %v", err)
 	}
diff --git a/datastore/examples/clients/python/client.py b/datastore/examples/clients/python/client.py
index 427cf6c1..0e718ac5 100755
--- a/datastore/examples/clients/python/client.py
+++ b/datastore/examples/clients/python/client.py
@@ -58,7 +58,7 @@ def call_put_obs(stub, version, type, standard_name, unit, value):
 # obs time range.
 def call_get_obs_in_time_range(stub):
     request = dstore.GetObsRequest(
-        interval=dstore.TimeInterval(
+        temporal_interval=dstore.TimeInterval(
             start=dtime2tstamp(datetime(2023, 1, 1, 0, 0, 0, 0, tzinfo=timezone.utc)),
             end=dtime2tstamp(datetime(2023, 1, 2, 0, 0, 0, 0, tzinfo=timezone.utc)),
         )
@@ -77,7 +77,7 @@ def call_get_obs_in_polygon(stub):
     points.append(dstore.Point(lat=60, lon=10.80))
     points.append(dstore.Point(lat=60, lon=10.70))
 
-    request = dstore.GetObsRequest(inside=dstore.Polygon(points=points))
+    request = dstore.GetObsRequest(spatial_area=dstore.Polygon(points=points))
     response = stub.GetObservations(request)
 
     return response
diff --git a/datastore/integration-test/test_knmi.py b/datastore/integration-test/test_knmi.py
index 64aa5f3b..9e836b57 100644
--- a/datastore/integration-test/test_knmi.py
+++ b/datastore/integration-test/test_knmi.py
@@ -64,7 +64,7 @@ def test_get_values_single_station_single_parameter_one_hour(grpc_stub):
 
     ts_request = dstore.GetObsRequest(
         filter=dict(platform=dstore.Strings(values=["06260"]), instrument=dstore.Strings(values=["rh"])),
-        interval=dstore.TimeInterval(start=start_datetime, end=end_datetime),
+        temporal_interval=dstore.TimeInterval(start=start_datetime, end=end_datetime),
     )
     response = grpc_stub.GetObservations(ts_request)
 
@@ -152,7 +152,9 @@ def test_get_values_single_station_single_parameter_one_hour(grpc_stub):
 @pytest.mark.parametrize("coords,param_ids,expected_station_ids", input_params_polygon)
 def test_get_observations_with_polygon(grpc_stub, coords, param_ids, expected_station_ids):
     polygon = dstore.Polygon(points=[dstore.Point(lat=lat, lon=lon) for lat, lon in coords])
-    get_obs_request = dstore.GetObsRequest(inside=polygon, filter=dict(instrument=dstore.Strings(values=param_ids)))
+    get_obs_request = dstore.GetObsRequest(
+        spatial_area=polygon, filter=dict(instrument=dstore.Strings(values=param_ids))
+    )
     get_obs_response = grpc_stub.GetObservations(get_obs_request)
 
     actual_station_ids = sorted({ts.ts_mdata.platform for ts in get_obs_response.observations})
diff --git a/datastore/load-test/locustfile_read.py b/datastore/load-test/locustfile_read.py
index 76d46ea2..057da8ef 100644
--- a/datastore/load-test/locustfile_read.py
+++ b/datastore/load-test/locustfile_read.py
@@ -43,7 +43,7 @@ def get_data_for_single_timeserie(self):
         to_time.FromDatetime(datetime(2023, 1, 1))
 
         request = dstore.GetObsRequest(
-            interval=dstore.TimeInterval(start=from_time, end=to_time),
+            temporal_interval=dstore.TimeInterval(start=from_time, end=to_time),
             filter=dict(
                 platform=dstore.Strings(values=[random.choice(stations)]),
                 instrument=dstore.Strings(values=[random.choice(parameters)]),
@@ -64,9 +64,11 @@ def get_data_single_station_through_bbox(self):
         poly = buffer(point, 0.0001, quad_segs=1)  # Roughly 10 meters around the point
 
         request = dstore.GetObsRequest(
-            interval=dstore.TimeInterval(start=from_time, end=to_time),
+            temporal_interval=dstore.TimeInterval(start=from_time, end=to_time),
             filter=dict(instrument=dstore.Strings(values=[random.choice(parameters)])),
-            inside=dstore.Polygon(points=[dstore.Point(lat=coord[1], lon=coord[0]) for coord in poly.exterior.coords]),
+            spatial_area=dstore.Polygon(
+                points=[dstore.Point(lat=coord[1], lon=coord[0]) for coord in poly.exterior.coords]
+            ),
         )
         response = self.stub.GetObservations(request)
         assert len(response.observations) == 1
diff --git a/protobuf/datastore.proto b/protobuf/datastore.proto
index 4198e680..4608398e 100644
--- a/protobuf/datastore.proto
+++ b/protobuf/datastore.proto
@@ -159,10 +159,10 @@ message GetObsRequest {
   // --- BEGIN non-string metadata -------------------------
 
   // temporal filter
-  TimeInterval interval = 1; // only observations in this time range may be returned
+  TimeInterval temporal_interval = 1; // only observations in this time range may be returned
 
   // spatial filter
-  Polygon inside = 2; // if specified, only observations in this area may be returned
+  Polygon spatial_area = 2; // if specified, only observations in this area may be returned
 
   // search wrt. TSMetadata.links
   // TODO - needs special handling