diff --git a/esphome/const.py b/esphome/const.py
index 47f20a71cb..577b9beae7 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -844,8 +844,8 @@ CONF_STILL_THRESHOLD = "still_threshold"
 CONF_STOP = "stop"
 CONF_STOP_ACTION = "stop_action"
 CONF_STORE_BASELINE = "store_baseline"
-CONF_SUB_AREAS = "sub_areas"
-CONF_SUB_DEVICES = "sub_devices"
+CONF_AREAS = "areas"
+CONF_DEVICES = "devices"
 CONF_SUBNET = "subnet"
 CONF_SUBSCRIBE_QOS = "subscribe_qos"
 CONF_SUBSTITUTIONS = "substitutions"
diff --git a/esphome/core/config.py b/esphome/core/config.py
index ba7516d939..46034575f9 100644
--- a/esphome/core/config.py
+++ b/esphome/core/config.py
@@ -8,10 +8,12 @@ import esphome.config_validation as cv
 from esphome.const import (
     CONF_AREA,
     CONF_AREA_ID,
+    CONF_AREAS,
     CONF_BUILD_PATH,
     CONF_COMMENT,
     CONF_COMPILE_PROCESS_LIMIT,
     CONF_DEBUG_SCHEDULER,
+    CONF_DEVICES,
     CONF_ESPHOME,
     CONF_FRIENDLY_NAME,
     CONF_ID,
@@ -28,8 +30,6 @@ from esphome.const import (
     CONF_PLATFORMIO_OPTIONS,
     CONF_PRIORITY,
     CONF_PROJECT,
-    CONF_SUB_AREAS,
-    CONF_SUB_DEVICES,
     CONF_TRIGGER_ID,
     CONF_VERSION,
     KEY_CORE,
@@ -186,7 +186,7 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(
                 CONF_COMPILE_PROCESS_LIMIT, default=_compile_process_limit_default
             ): cv.int_range(min=1, max=get_usable_cpu_count()),
-            cv.Optional(CONF_SUB_AREAS, default=[]): cv.ensure_list(
+            cv.Optional(CONF_AREAS, default=[]): cv.ensure_list(
                 cv.Schema(
                     {
                         cv.GenerateID(CONF_ID): cv.declare_id(Area),
@@ -194,7 +194,7 @@ CONFIG_SCHEMA = cv.All(
                     }
                 ),
             ),
-            cv.Optional(CONF_SUB_DEVICES, default=[]): cv.ensure_list(
+            cv.Optional(CONF_DEVICES, default=[]): cv.ensure_list(
                 cv.Schema(
                     {
                         cv.GenerateID(CONF_ID): cv.declare_id(Device),
@@ -486,9 +486,9 @@ async def to_code(config):
         cg.add_define("USE_AREAS")
 
     # Process sub-devices and areas
-    if sub_devices := config.get(CONF_SUB_DEVICES):
+    if sub_devices := config.get(CONF_DEVICES):
         # Process areas first
-        if sub_areas := config.get(CONF_SUB_AREAS):
+        if sub_areas := config.get(CONF_AREAS):
             for area_conf in sub_areas:
                 area = cg.new_Pvariable(area_conf[CONF_ID])
                 area_id = fnv1a_32bit_hash(str(area_conf[CONF_ID]))
diff --git a/esphome/core/defines.h b/esphome/core/defines.h
index 32625a6a04..b1ee597942 100644
--- a/esphome/core/defines.h
+++ b/esphome/core/defines.h
@@ -84,7 +84,8 @@
 #define USE_SELECT
 #define USE_SENSOR
 #define USE_STATUS_LED
-#define USE_SUB_DEVICE
+#define USE_DEVICES
+#define USE_AREAS
 #define USE_SWITCH
 #define USE_TEXT
 #define USE_TEXT_SENSOR
diff --git a/tests/components/esphome/common.yaml b/tests/components/esphome/common.yaml
index 24f8eb9433..a4b309b69d 100644
--- a/tests/components/esphome/common.yaml
+++ b/tests/components/esphome/common.yaml
@@ -19,16 +19,16 @@ esphome:
     version: "1.1"
     on_update:
       logger.log: on_update
-  sub_areas:
+  areas:
     - id: another_area
       name: Another area
-  sub_devices:
+  devices:
     - id: other_device
       name: Another device
       area_id: another_area
     - id: test_device
       name: Test device in main area
-      area_id: testing_area  # Reference the main area (not in sub_areas)
+      area_id: testing_area  # Reference the main area (not in areas)
     - id: no_area_device
       name: Device without area  # This device has no area_id