diff --git a/pydantic_models/locations.py b/pydantic_models/locations.py
index df006c1..7734fe3 100644
--- a/pydantic_models/locations.py
+++ b/pydantic_models/locations.py
@@ -1,25 +1,25 @@
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 import json
 
 
 class RegionNames(BaseModel):
-    fullName: str
-    shortName: str
-    displayName: str
-    primaryDisplayName: str
-    secondaryDisplayName: str
-    lastSearchName: str
+    full_name: str = Field(alias='fullName')
+    short_name: str = Field(alias='shortName')
+    display_name: str = Field(alias='displayName')
+    primary_display_name: str = Field(alias='primaryDisplayName')
+    secondary_display_name: str = Field(alias='secondaryDisplayName')
+    last_search_name: str = Field(alias='lastSearchName')
 
 
 class EssId(BaseModel):
-    sourceName: str
-    sourceId: int
+    source_name: str = Field(alias='sourceName')
+    source_id: int = Field(alias='sourceId')
 
 
 class Country(BaseModel):
     name: str
-    isoCode2: str
-    isoCode3: str
+    iso_code2: str = Field(alias='isoCode2')
+    iso_code3: str = Field(alias='isoCode3')
 
 
 class HierarchyInfo(BaseModel):
@@ -27,25 +27,25 @@ class HierarchyInfo(BaseModel):
 
 
 class Coordinates(BaseModel):
-    lat: float
-    long: float
+    latitude: float = Field(alias='lat')
+    longitude: float = Field(alias='long')
 
 
 class GaiaRegionResult(BaseModel):
     index: int
-    gaiaId: int
+    gaia_id: int = Field(alias='gaiaId')
     type: str
-    regionNames: RegionNames
-    essId: EssId
+    region_names: RegionNames = Field(alias='regionNames')
+    ess_id: EssId = Field(alias='essId')
     coordinates: Coordinates
-    hierarchyInfo: HierarchyInfo
+    hierarchy_info: HierarchyInfo = Field(alias='hierarchyInfo')
 
 
 class SearchResults(BaseModel):
-    q: str
-    rid: str
-    rc: str
-    sr: list[GaiaRegionResult]
+    query: str = Field(alias='q')
+    request_id: str = Field(alias='rid')
+    request_status: str = Field(alias='rc')
+    search_results: list[GaiaRegionResult] = Field(alias='sr')
 
 
 if __name__ == "__main__":
@@ -53,5 +53,5 @@ if __name__ == "__main__":
         data = json.load(json_file)
     results = SearchResults(**data)
     print('\n'.join(
-        [result.regionNames.fullName for result in results.sr if result.type in ('CITY', 'NEIGHBORHOOD')])
+        [result.region_names.full_name for result in results.search_results if result.type in ('CITY', 'NEIGHBORHOOD')])
     )