diff --git a/styles/src/base_layers.ts b/styles/src/base_layers.ts
index 65980120f..713e0352a 100644
--- a/styles/src/base_layers.ts
+++ b/styles/src/base_layers.ts
@@ -1066,7 +1066,11 @@ export function nolabels_layers(
       type: "line",
       source: source,
       "source-layer": "boundaries",
-      filter: ["<=", "kind_detail", 2],
+      filter: [
+        "any",
+        ["<=", "kind_detail", 2],
+        ["all", ["==", "kind_detail", 3], ["==", "disputed", true]],
+      ],
       paint: {
         "line-color": t.boundaries,
         "line-width": 0.7,
@@ -1084,7 +1088,11 @@ export function nolabels_layers(
       type: "line",
       source: source,
       "source-layer": "boundaries",
-      filter: [">", "kind_detail", 2],
+      filter: [
+        "all",
+        [">", "kind_detail", 2],
+        ["none", ["all", ["==", "kind_detail", 3], ["==", "disputed", true]]],
+      ],
       paint: {
         "line-color": t.boundaries,
         "line-width": 0.4,
diff --git a/styles/test/base_layers.test.ts b/styles/test/base_layers.test.ts
index 65ab917b3..d5b171792 100644
--- a/styles/test/base_layers.test.ts
+++ b/styles/test/base_layers.test.ts
@@ -20,3 +20,22 @@ test("the nolayers label has no labels", () => {
     assert.notEqual("symbol", layer.type);
   }
 });
+
+test("country boundary styling includes disputed level three boundaries", () => {
+  const boundaryLayers = nolabels_layers("dummy", LIGHT);
+  const country = boundaryLayers.find(
+    (layer) => layer.id === "boundaries_country",
+  );
+  const other = boundaryLayers.find((layer) => layer.id === "boundaries");
+
+  assert.deepEqual(country?.filter, [
+    "any",
+    ["<=", "kind_detail", 2],
+    ["all", ["==", "kind_detail", 3], ["==", "disputed", true]],
+  ]);
+  assert.deepEqual(other?.filter, [
+    "all",
+    [">", "kind_detail", 2],
+    ["none", ["all", ["==", "kind_detail", 3], ["==", "disputed", true]]],
+  ]);
+});
diff --git a/tiles/src/main/java/com/protomaps/basemap/layers/Boundaries.java b/tiles/src/main/java/com/protomaps/basemap/layers/Boundaries.java
index fb9c1ade2..e1d6553d0 100644
--- a/tiles/src/main/java/com/protomaps/basemap/layers/Boundaries.java
+++ b/tiles/src/main/java/com/protomaps/basemap/layers/Boundaries.java
@@ -226,7 +226,10 @@ public List<OsmRelationInfo> preprocessOsmRelation(OsmElement.Relation relation)
     if (relation.hasTag("type", "boundary") &&
       relation.hasTag("boundary", "administrative", "disputed", "claim")) {
       Integer adminLevel = Parse.parseIntOrNull(relation.getString("admin_level"));
-      Integer disputed = relation.hasTag("boundary", "disputed") || relation.hasTag("disputed", "yes") ||
+      boolean occupiedBoundary = adminLevel != null && adminLevel == 3 &&
+        relation.hasTag("border_type", "occupied");
+      Integer disputed = occupiedBoundary || relation.hasTag("boundary", "disputed") ||
+        relation.hasTag("disputed", "yes") ||
         relation.hasTag("disputed_by") || relation.hasTag("claimed_by") ? 1 : 0;
 
       if (adminLevel == null || adminLevel > 8)
diff --git a/tiles/src/test/java/com/protomaps/basemap/layers/BoundariesTest.java b/tiles/src/test/java/com/protomaps/basemap/layers/BoundariesTest.java
index 9f103599c..bc4f59094 100644
--- a/tiles/src/test/java/com/protomaps/basemap/layers/BoundariesTest.java
+++ b/tiles/src/test/java/com/protomaps/basemap/layers/BoundariesTest.java
@@ -74,6 +74,62 @@ void testDisputedOsm() {
       collector);
   }
 
+  @Test
+  void testOccupiedAdminLevelThreeIsDisputedRegionBoundary() {
+    var infos = profile.preprocessOsmRelation(
+      new OsmElement.Relation(1,
+        Map.of("type", "boundary", "boundary", "administrative", "admin_level", "3", "border_type", "occupied"),
+        List.of(new OsmElement.Relation.Member(OsmElement.Type.WAY, 123, ""))));
+
+    var way = SimpleFeature.createFakeOsmFeature(
+      newLineString(0, 0, 1, 1),
+      new HashMap<>(),
+      "osm",
+      null,
+      123,
+      infos.stream().map(r -> new OsmReader.RelationMember<>("", r)).toList()
+    );
+
+    var collector = featureCollectorFactory.get(way);
+    profile.processFeature(way, collector);
+
+    assertFeatures(6,
+      List.of(Map.of(
+        "kind", "region",
+        "kind_detail", 3,
+        "disputed", true,
+        "sort_rank", 288,
+        "_minzoom", 6)),
+      collector);
+  }
+
+  @Test
+  void testOrdinaryAdminLevelThreeRemainsRegionBoundary() {
+    var infos = profile.preprocessOsmRelation(
+      new OsmElement.Relation(1, Map.of("type", "boundary", "boundary", "administrative", "admin_level", "3"),
+        List.of(new OsmElement.Relation.Member(OsmElement.Type.WAY, 123, ""))));
+
+    var way = SimpleFeature.createFakeOsmFeature(
+      newLineString(0, 0, 1, 1),
+      new HashMap<>(),
+      "osm",
+      null,
+      123,
+      infos.stream().map(r -> new OsmReader.RelationMember<>("", r)).toList()
+    );
+
+    var collector = featureCollectorFactory.get(way);
+    profile.processFeature(way, collector);
+
+    assertFeatures(6,
+      List.of(Map.of(
+        "kind", "region",
+        "kind_detail", 3,
+        "sort_rank", 289,
+        "_minzoom", 6)),
+      collector);
+  }
+
   @ParameterizedTest
   @CsvSource(value = {
     "disputed,yes",