diff --git a/changelog.d/1410.change.md b/changelog.d/1410.change.md
new file mode 100644
index 000000000..0536da8f5
--- /dev/null
+++ b/changelog.d/1410.change.md
@@ -0,0 +1 @@
+The error message if an attribute has both an annotation and a type argument will now disclose _what_ attribute seems to be the problem.
diff --git a/src/attr/_make.py b/src/attr/_make.py
index 0c5aa0bd6..7439dc2ad 100644
--- a/src/attr/_make.py
+++ b/src/attr/_make.py
@@ -2491,7 +2491,7 @@ def from_counting_attr(cls, name: str, ca: _CountingAttr, type=None):
         if type is None:
             type = ca.type
         elif ca.type is not None:
-            msg = "Type annotation and type argument cannot both be present"
+            msg = f"Type annotation and type argument cannot both be present for '{name}'."
             raise ValueError(msg)
         return cls(
             name,
diff --git a/tests/test_annotations.py b/tests/test_annotations.py
index f37a1c0b0..5c6296634 100644
--- a/tests/test_annotations.py
+++ b/tests/test_annotations.py
@@ -62,7 +62,7 @@ class C:
                 x: int = attr.ib(type=int)
 
         assert (
-            "Type annotation and type argument cannot both be present",
+            "Type annotation and type argument cannot both be present for 'x'.",
         ) == e.value.args
 
     def test_typing_annotations(self):