diff --git a/CHANGELOG.md b/CHANGELOG.md
index b296e6136b..0f4e577297 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 > We are working on stabilizing the Log signal that would require making deprecations and breaking changes. We will try to reduce the releases that may require an update to your code, especially for instrumentations or for sdk developers.
 
 ## Unreleased
+- `opentelemetry-sdk`: Add Sphinx documentation for `opentelemetry.sdk.util` package (`BoundedList`, `BoundedDict`, `ns_to_iso_str`, `get_dict_as_key`), move `util.instrumentation` toctree entry from `trace` to `util` ([#2573](https://github.com/open-telemetry/opentelemetry-python/issues/2573))
 
 - Apply fixes for `UP` ruff rule
   ([#5133](https://github.com/open-telemetry/opentelemetry-python/pull/5133))
diff --git a/docs/sdk/index.rst b/docs/sdk/index.rst
index ecc4a39085..6cf8f98348 100644
--- a/docs/sdk/index.rst
+++ b/docs/sdk/index.rst
@@ -20,3 +20,4 @@ processed, and exported.
     metrics
     error_handler
     environment_variables
+   util
diff --git a/docs/sdk/trace.rst b/docs/sdk/trace.rst
index d163ac11e2..141c858f48 100644
--- a/docs/sdk/trace.rst
+++ b/docs/sdk/trace.rst
@@ -9,7 +9,6 @@ Submodules
    trace.export
    trace.id_generator
    trace.sampling
-   util.instrumentation
 
 .. automodule:: opentelemetry.sdk.trace
     :members:
diff --git a/docs/sdk/util.rst b/docs/sdk/util.rst
new file mode 100644
index 0000000000..ab2f6554b9
--- /dev/null
+++ b/docs/sdk/util.rst
@@ -0,0 +1,14 @@
+opentelemetry.sdk.util package
+==============================
+
+Submodules
+----------
+
+.. toctree::
+
+ util.instrumentation
+
+.. automodule:: opentelemetry.sdk.util
+   :members:
+   :undoc-members:
+   :show-inheritance: