diff --git a/include/zephyr/bluetooth/audio/audio.h b/include/zephyr/bluetooth/audio/audio.h
index bf571a36f32..688275c9706 100644
--- a/include/zephyr/bluetooth/audio/audio.h
+++ b/include/zephyr/bluetooth/audio/audio.h
@@ -222,6 +222,7 @@ struct bt_codec_data {
  * These values are defined by the Generic Audio Assigned Numbers, bluetooth.com
  */
 enum bt_audio_location {
+	BT_AUDIO_LOCATION_PROHIBITED = 0,
 	BT_AUDIO_LOCATION_FRONT_LEFT = BIT(0),
 	BT_AUDIO_LOCATION_FRONT_RIGHT = BIT(1),
 	BT_AUDIO_LOCATION_FRONT_CENTER = BIT(2),
@@ -252,6 +253,38 @@ enum bt_audio_location {
 	BT_AUDIO_LOCATION_RIGHT_SURROUND = BIT(27),
 };
 
+/**
+ * Any known location.
+ */
+#define BT_AUDIO_LOCATION_ANY (BT_AUDIO_LOCATION_FRONT_LEFT | \
+			       BT_AUDIO_LOCATION_FRONT_RIGHT | \
+			       BT_AUDIO_LOCATION_FRONT_CENTER | \
+			       BT_AUDIO_LOCATION_LOW_FREQ_EFFECTS_1 | \
+			       BT_AUDIO_LOCATION_BACK_LEFT | \
+			       BT_AUDIO_LOCATION_BACK_RIGHT | \
+			       BT_AUDIO_LOCATION_FRONT_LEFT_OF_CENTER | \
+			       BT_AUDIO_LOCATION_FRONT_RIGHT_OF_CENTER | \
+			       BT_AUDIO_LOCATION_BACK_CENTER | \
+			       BT_AUDIO_LOCATION_LOW_FREQ_EFFECTS_2 | \
+			       BT_AUDIO_LOCATION_SIDE_LEFT | \
+			       BT_AUDIO_LOCATION_SIDE_RIGHT | \
+			       BT_AUDIO_LOCATION_TOP_FRONT_LEFT | \
+			       BT_AUDIO_LOCATION_TOP_FRONT_RIGHT | \
+			       BT_AUDIO_LOCATION_TOP_FRONT_CENTER | \
+			       BT_AUDIO_LOCATION_TOP_CENTER | \
+			       BT_AUDIO_LOCATION_TOP_BACK_LEFT | \
+			       BT_AUDIO_LOCATION_TOP_BACK_RIGHT | \
+			       BT_AUDIO_LOCATION_TOP_SIDE_LEFT | \
+			       BT_AUDIO_LOCATION_TOP_SIDE_RIGHT | \
+			       BT_AUDIO_LOCATION_TOP_BACK_CENTER | \
+			       BT_AUDIO_LOCATION_BOTTOM_FRONT_CENTER | \
+			       BT_AUDIO_LOCATION_BOTTOM_FRONT_LEFT | \
+			       BT_AUDIO_LOCATION_BOTTOM_FRONT_RIGHT | \
+			       BT_AUDIO_LOCATION_FRONT_LEFT_WIDE | \
+			       BT_AUDIO_LOCATION_FRONT_RIGHT_WIDE | \
+			       BT_AUDIO_LOCATION_LEFT_SURROUND | \
+			       BT_AUDIO_LOCATION_RIGHT_SURROUND)
+
 /** @brief Codec structure. */
 struct bt_codec {
 	/** Data path ID
diff --git a/subsys/bluetooth/audio/vocs.c b/subsys/bluetooth/audio/vocs.c
index 26158b03181..48c0449c12e 100644
--- a/subsys/bluetooth/audio/vocs.c
+++ b/subsys/bluetooth/audio/vocs.c
@@ -19,6 +19,7 @@
 
 #include "audio_internal.h"
 #include "vocs_internal.h"
+#include "zephyr/bluetooth/audio/audio.h"
 
 #define LOG_LEVEL CONFIG_BT_VOCS_LOG_LEVEL
 #include <zephyr/logging/log.h>
@@ -26,6 +27,8 @@ LOG_MODULE_REGISTER(bt_vocs);
 
 #define VALID_VOCS_OPCODE(opcode)	((opcode) == BT_VOCS_OPCODE_SET_OFFSET)
 
+#define BT_AUDIO_LOCATION_RFU (~BT_AUDIO_LOCATION_ANY)
+
 #if defined(CONFIG_BT_VOCS)
 static void offset_state_cfg_changed(const struct bt_gatt_attr *attr, uint16_t value)
 {
@@ -53,7 +56,7 @@ static ssize_t write_location(struct bt_conn *conn, const struct bt_gatt_attr *a
 			      const void *buf, uint16_t len, uint16_t offset, uint8_t flags)
 {
 	struct bt_vocs *inst = BT_AUDIO_CHRC_USER_DATA(attr);
-	uint32_t old_location = inst->srv.location;
+	enum bt_audio_location new_location;
 
 	if (offset) {
 		return BT_GATT_ERR(BT_ATT_ERR_INVALID_OFFSET);
@@ -63,10 +66,14 @@ static ssize_t write_location(struct bt_conn *conn, const struct bt_gatt_attr *a
 		return BT_GATT_ERR(BT_ATT_ERR_INVALID_ATTRIBUTE_LEN);
 	}
 
-	memcpy(&inst->srv.location, buf, len);
-	LOG_DBG("%02x", inst->srv.location);
+	new_location = sys_get_le32(buf);
+	if ((new_location & BT_AUDIO_LOCATION_RFU) > 0) {
+		LOG_DBG("Invalid location %u", new_location);
+		return 0;
+	}
 
-	if (old_location != inst->srv.location) {
+	if (new_location != inst->srv.location) {
+		inst->srv.location = new_location;
 		(void)bt_gatt_notify_uuid(NULL, BT_UUID_VOCS_LOCATION,
 					  inst->srv.service_p->attrs,
 					  &inst->srv.location,