diff --git a/src/app/api/import-json/route.ts b/src/app/api/import-json/route.ts
index fb7ad3d..bab130b 100644
--- a/src/app/api/import-json/route.ts
+++ b/src/app/api/import-json/route.ts
@@ -148,19 +148,26 @@ export async function POST(request: NextRequest) {
     // Convert MongoDB extended JSON to proper MongoDB documents
     const documents = rawDocuments.map((doc: any) => convertMongoExtendedJSON(doc));
 
+    // Get collection name from filename (without .json extension)
+    const collectionName = file.name.replace(/\.json$/i, '');
+
     // Get MongoDB collection
     const db = await getDatabase();
-    const collection = db.collection('observations');
+    const collection = db.collection(collectionName);
+
+    // Drop existing collection if it exists
+    await collection.drop().catch(() => {});
 
     // Insert documents
     const result = await collection.insertMany(documents);
 
     return NextResponse.json({
       success: true,
-      message: `Successfully imported ${result.insertedCount} observations from ${file.name}`,
+      message: `Successfully imported ${result.insertedCount} documents into collection '${collectionName}' from ${file.name}`,
       inserted_count: result.insertedCount,
       inserted_ids: Object.values(result.insertedIds),
       filename: file.name,
+      collection_name: collectionName,
       size: `${(file.size / 1024).toFixed(2)} KB`
     });