diff --git a/src/hdf5_hl.d.ts b/src/hdf5_hl.d.ts
index d1aa40b..2bc247f 100644
--- a/src/hdf5_hl.d.ts
+++ b/src/hdf5_hl.d.ts
@@ -162,6 +162,7 @@ export declare const h5wasm: {
     Group: typeof Group;
     Dataset: typeof Dataset;
     Datatype: typeof Datatype;
+    DatasetRegion: typeof DatasetRegion;
     ready: Promise<H5Module>;
     ACCESS_MODES: {
         readonly r: "H5F_ACC_RDONLY";
diff --git a/src/hdf5_hl.ts b/src/hdf5_hl.ts
index e95481e..853245f 100644
--- a/src/hdf5_hl.ts
+++ b/src/hdf5_hl.ts
@@ -1104,6 +1104,7 @@ export const h5wasm = {
   Group,
   Dataset,
   Datatype,
+  DatasetRegion,
   ready,
   ACCESS_MODES
 }
diff --git a/test/create_read_references.mjs b/test/create_read_references.mjs
index bdc370a..3c8d850 100644
--- a/test/create_read_references.mjs
+++ b/test/create_read_references.mjs
@@ -73,6 +73,11 @@ async function test_refs() {
     assert.strictEqual(obj_1.path, `/${DATASET_GROUP}/${DATASET_NAME}`);
     
     const region_refs = refs_group.get(REGION_REF_DATASET_NAME).value;
+    const [region_0, region_1] = region_refs.map((ref) => read_file.dereference(ref));
+    assert(region_0 instanceof h5wasm.DatasetRegion);
+    assert.deepEqual(region_0.value, new Float32Array(REGION_REF_DATA_0.flat()));
+    assert(region_1 instanceof h5wasm.DatasetRegion);
+    assert.deepEqual(region_1.value, new Float32Array(REGION_REF_DATA_1.flat()));
     // assert.deepEqual(hard_link_dataset.value, DATA);
 
     read_file.close()