diff --git a/.changeset/friendly-hats-push.md b/.changeset/friendly-hats-push.md
new file mode 100644
index 0000000000..e730fcbf8c
--- /dev/null
+++ b/.changeset/friendly-hats-push.md
@@ -0,0 +1,5 @@
+---
+'@backstage/integration-aws-node': patch
+---
+
+The `getDefaultCredentialsChain` function now accepts and applies a `region` parameter, preventing it from defaulting to `us-east-1` when no region is specified.