diff --git a/pylabrobot/resources/itemized_resource_tests.py b/pylabrobot/resources/itemized_resource_tests.py
index aff08d1f664..2cba64892b4 100644
--- a/pylabrobot/resources/itemized_resource_tests.py
+++ b/pylabrobot/resources/itemized_resource_tests.py
@@ -44,21 +44,21 @@ def setUp(self) -> None:
 
   def test_initialize_with_wells(self):
     self.assertEqual(len(self.plate.children), 96)
-    self.assertEqual(self.plate.children[0].name, "plate_well_0_0")
-    self.assertEqual(self.plate.children[95].name, "plate_well_11_7")
+    self.assertEqual(self.plate.children[0].name, "plate_well_A1")
+    self.assertEqual(self.plate.children[95].name, "plate_well_H12")
 
   def test_get_item_int(self):
-    self.assertEqual(self.plate.get_item(0).name, "plate_well_0_0")
-    self.assertEqual(self.plate.get_item(95).name, "plate_well_11_7")
+    self.assertEqual(self.plate.get_item(0).name, "plate_well_A1")
+    self.assertEqual(self.plate.get_item(95).name, "plate_well_H12")
 
   def test_get_item_str(self):
-    self.assertEqual(self.plate.get_item("A1").name, "plate_well_0_0")
-    self.assertEqual(self.plate.get_item("B1").name, "plate_well_0_1")
-    self.assertEqual(self.plate.get_item("A2").name, "plate_well_1_0")
+    self.assertEqual(self.plate.get_item("A1").name, "plate_well_A1")
+    self.assertEqual(self.plate.get_item("B1").name, "plate_well_B1")
+    self.assertEqual(self.plate.get_item("A2").name, "plate_well_A2")
 
   def test_get_item_tuple(self):
-    self.assertEqual(self.plate.get_item((0, 0)).name, "plate_well_0_0")
-    self.assertEqual(self.plate.get_item((7, 11)).name, "plate_well_11_7")
+    self.assertEqual(self.plate.get_item((0, 0)).name, "plate_well_A1")
+    self.assertEqual(self.plate.get_item((7, 11)).name, "plate_well_H12")
 
   def test_well_get_absolute_location(self):
     self.assertEqual(
@@ -83,23 +83,23 @@ def test_well_get_absolute_location(self):
     )
 
   def test_getitem_int(self):
-    self.assertEqual(self.plate[0][0].name, "plate_well_0_0")
+    self.assertEqual(self.plate[0][0].name, "plate_well_A1")
 
   def test_getitem_str(self):
-    self.assertEqual(self.plate["A1"][0].name, "plate_well_0_0")
-    self.assertEqual(self.plate["B2"][0].name, "plate_well_1_1")
+    self.assertEqual(self.plate["A1"][0].name, "plate_well_A1")
+    self.assertEqual(self.plate["B2"][0].name, "plate_well_B2")
 
   def test_getitem_slice(self):
     self.assertEqual(
       [w.name for w in self.plate[0:7]],
       [
-        "plate_well_0_0",
-        "plate_well_0_1",
-        "plate_well_0_2",
-        "plate_well_0_3",
-        "plate_well_0_4",
-        "plate_well_0_5",
-        "plate_well_0_6",
+        "plate_well_A1",
+        "plate_well_B1",
+        "plate_well_C1",
+        "plate_well_D1",
+        "plate_well_E1",
+        "plate_well_F1",
+        "plate_well_G1",
       ],
     )
 
@@ -107,13 +107,13 @@ def test_getitem_range(self):
     self.assertEqual(
       [w.name for w in self.plate[range(7)]],
       [
-        "plate_well_0_0",
-        "plate_well_0_1",
-        "plate_well_0_2",
-        "plate_well_0_3",
-        "plate_well_0_4",
-        "plate_well_0_5",
-        "plate_well_0_6",
+        "plate_well_A1",
+        "plate_well_B1",
+        "plate_well_C1",
+        "plate_well_D1",
+        "plate_well_E1",
+        "plate_well_F1",
+        "plate_well_G1",
       ],
     )
 
@@ -121,10 +121,10 @@ def test_getitem_str_range(self):
     self.assertEqual(
       [w.name for w in self.plate["A1:B2"]],
       [
-        "plate_well_0_0",
-        "plate_well_1_0",
-        "plate_well_0_1",
-        "plate_well_1_1",
+        "plate_well_A1",
+        "plate_well_A2",
+        "plate_well_B1",
+        "plate_well_B2",
       ],
     )
 
@@ -137,49 +137,49 @@ def test_getitem_str_error(self):
   def test_getitem_tuple_int(self):
     self.assertEqual(
       [w.name for w in self.plate[0, 4, 1]],
-      ["plate_well_0_0", "plate_well_0_4", "plate_well_0_1"],
+      ["plate_well_A1", "plate_well_E1", "plate_well_B1"],
     )
 
   def test_getitem_tuple_str(self):
     self.assertEqual(
       [w.name for w in self.plate["A1", "B2", "A2"]],
-      ["plate_well_0_0", "plate_well_1_1", "plate_well_1_0"],
+      ["plate_well_A1", "plate_well_B2", "plate_well_A2"],
     )
 
   def test_get_row(self):
     self.assertEqual(
       [w.name for w in self.plate.row(0)],
       [
-        "plate_well_0_0",
-        "plate_well_1_0",
-        "plate_well_2_0",
-        "plate_well_3_0",
-        "plate_well_4_0",
-        "plate_well_5_0",
-        "plate_well_6_0",
-        "plate_well_7_0",
-        "plate_well_8_0",
-        "plate_well_9_0",
-        "plate_well_10_0",
-        "plate_well_11_0",
+        "plate_well_A1",
+        "plate_well_A2",
+        "plate_well_A3",
+        "plate_well_A4",
+        "plate_well_A5",
+        "plate_well_A6",
+        "plate_well_A7",
+        "plate_well_A8",
+        "plate_well_A9",
+        "plate_well_A10",
+        "plate_well_A11",
+        "plate_well_A12",
       ],
     )
 
     self.assertEqual(
       [w.name for w in self.plate.row(3)],
       [
-        "plate_well_0_3",
-        "plate_well_1_3",
-        "plate_well_2_3",
-        "plate_well_3_3",
-        "plate_well_4_3",
-        "plate_well_5_3",
-        "plate_well_6_3",
-        "plate_well_7_3",
-        "plate_well_8_3",
-        "plate_well_9_3",
-        "plate_well_10_3",
-        "plate_well_11_3",
+        "plate_well_D1",
+        "plate_well_D2",
+        "plate_well_D3",
+        "plate_well_D4",
+        "plate_well_D5",
+        "plate_well_D6",
+        "plate_well_D7",
+        "plate_well_D8",
+        "plate_well_D9",
+        "plate_well_D10",
+        "plate_well_D11",
+        "plate_well_D12",
       ],
     )
 
@@ -203,28 +203,28 @@ def test_get_column(self):
     self.assertEqual(
       [w.name for w in self.plate.column(0)],
       [
-        "plate_well_0_0",
-        "plate_well_0_1",
-        "plate_well_0_2",
-        "plate_well_0_3",
-        "plate_well_0_4",
-        "plate_well_0_5",
-        "plate_well_0_6",
-        "plate_well_0_7",
+        "plate_well_A1",
+        "plate_well_B1",
+        "plate_well_C1",
+        "plate_well_D1",
+        "plate_well_E1",
+        "plate_well_F1",
+        "plate_well_G1",
+        "plate_well_H1",
       ],
     )
 
     self.assertEqual(
       [w.name for w in self.plate.column(3)],
       [
-        "plate_well_3_0",
-        "plate_well_3_1",
-        "plate_well_3_2",
-        "plate_well_3_3",
-        "plate_well_3_4",
-        "plate_well_3_5",
-        "plate_well_3_6",
-        "plate_well_3_7",
+        "plate_well_A4",
+        "plate_well_B4",
+        "plate_well_C4",
+        "plate_well_D4",
+        "plate_well_E4",
+        "plate_well_F4",
+        "plate_well_G4",
+        "plate_well_H4",
       ],
     )
 
diff --git a/pylabrobot/resources/utils.py b/pylabrobot/resources/utils.py
index 5cb8859ba64..b33866cf63c 100644
--- a/pylabrobot/resources/utils.py
+++ b/pylabrobot/resources/utils.py
@@ -176,6 +176,8 @@ def create_ordered_items_2d(
     **kwargs,
   )
   keys = [f"{LETTERS[j]}{i+1}" for i in range(num_items_x) for j in range(num_items_y)]
+  for key, item in zip(keys, (item for sublist in items for item in sublist)):
+    item.name = f"{klass.__name__.lower()}_{key}"
   return dict(zip(keys, [item for sublist in items for item in sublist]))
 
 
diff --git a/pylabrobot/visualizer/visualizer_tests.py b/pylabrobot/visualizer/visualizer_tests.py
index 626ac5d8412..7a27f9ec733 100644
--- a/pylabrobot/visualizer/visualizer_tests.py
+++ b/pylabrobot/visualizer/visualizer_tests.py
@@ -145,6 +145,6 @@ async def test_state_updated(self):
     call_args = self.vis.send_command.call_args[1]  # type: ignore[attr-defined]
     self.assertEqual(call_args["event"], "set_state")
     self.assertEqual(
-      call_args["data"]["plate_01_well_11_7"]["liquids"],
+      call_args["data"]["plate_01_well_H12"]["liquids"],
       [[None, 500]],
     )