diff --git a/transform/sqlmesh_padelnomics/models/foundation/dim_locations.sql b/transform/sqlmesh_padelnomics/models/foundation/dim_locations.sql
index b0ddbe3..98d0fd0 100644
--- a/transform/sqlmesh_padelnomics/models/foundation/dim_locations.sql
+++ b/transform/sqlmesh_padelnomics/models/foundation/dim_locations.sql
@@ -48,6 +48,7 @@ locations AS (
     ref_year
   FROM staging.stg_population_geonames
   WHERE lat IS NOT NULL AND lon IS NOT NULL
+    AND LENGTH(TRIM(city_name)) > 0
 ),
 -- ── EU NUTS-2 income via spatial join ──────────────────────────────────────
 -- Each EU location's (lon, lat) is matched against NUTS-2 boundary polygons.
diff --git a/transform/sqlmesh_padelnomics/models/serving/location_profiles.sql b/transform/sqlmesh_padelnomics/models/serving/location_profiles.sql
index 9e5483b..d7645bd 100644
--- a/transform/sqlmesh_padelnomics/models/serving/location_profiles.sql
+++ b/transform/sqlmesh_padelnomics/models/serving/location_profiles.sql
@@ -278,8 +278,8 @@ SELECT
     THEN ROUND(s.catchment_padel_courts::DOUBLE / s.catchment_population * 100000, 2)
     ELSE NULL
   END AS catchment_venues_per_100k,
-  s.market_score,
-  s.opportunity_score,
+  LEAST(GREATEST(s.market_score, 0), 100) AS market_score,
+  LEAST(GREATEST(s.opportunity_score, 0), 100) AS opportunity_score,
   s.median_hourly_rate,
   s.median_peak_rate,
   s.median_offpeak_rate,
diff --git a/transform/sqlmesh_padelnomics/models/staging/stg_population_geonames.sql b/transform/sqlmesh_padelnomics/models/staging/stg_population_geonames.sql
index 6c6404b..c7032ba 100644
--- a/transform/sqlmesh_padelnomics/models/staging/stg_population_geonames.sql
+++ b/transform/sqlmesh_padelnomics/models/staging/stg_population_geonames.sql
@@ -38,3 +38,6 @@ WHERE geoname_id IS NOT NULL
   AND city_name IS NOT NULL
   AND lat IS NOT NULL
   AND lon IS NOT NULL
+  -- Reject names with non-Latin characters (CJK, Cyrillic, Arabic, Thai, etc.)
+  -- Allows ASCII + Latin Extended (diacritics: ÄÖÜ, àéî, ñ, ø, etc.)
+  AND regexp_matches(city_name, '^[\x20-\x7E\u00C0-\u024F\u1E00-\u1EFF]+$')