diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/Kconfig.board b/boards/boards_legacy/arm/nucleo_wb55rg/Kconfig.board
deleted file mode 100644
index a81009c1259..00000000000
--- a/boards/boards_legacy/arm/nucleo_wb55rg/Kconfig.board
+++ /dev/null
@@ -1,8 +0,0 @@
-# STM32WB55RG Nucleo board configuration
-
-# Copyright (c) 2019 Linaro Limited
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_NUCLEO_WB55RG
-	bool "Nucleo WB55RG Development Board"
-	depends on SOC_STM32WB55XX
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/Kconfig.defconfig b/boards/boards_legacy/arm/nucleo_wb55rg/Kconfig.defconfig
deleted file mode 100644
index 66c77220d3a..00000000000
--- a/boards/boards_legacy/arm/nucleo_wb55rg/Kconfig.defconfig
+++ /dev/null
@@ -1,16 +0,0 @@
-# STM32LWB55RG Nucleo board configuration
-
-# Copyright (c) 2019 Linaro Limited
-# SPDX-License-Identifier: Apache-2.0
-
-if BOARD_NUCLEO_WB55RG
-
-config BOARD
-	default "nucleo_wb55rg"
-
-choice BT_HCI_BUS_TYPE
-	default BT_STM32_IPM
-	depends on BT
-endchoice
-
-endif # BOARD_NUCLEO_WB55RG
diff --git a/boards/st/nucleo_wb55rg/Kconfig.nucleo_wb55rg b/boards/st/nucleo_wb55rg/Kconfig.nucleo_wb55rg
new file mode 100644
index 00000000000..8ed5f797872
--- /dev/null
+++ b/boards/st/nucleo_wb55rg/Kconfig.nucleo_wb55rg
@@ -0,0 +1,5 @@
+# Copyright (c) 2019 Linaro Limited
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NUCLEO_WB55RG
+	select SOC_STM32WB55XX
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/arduino_r3_connector.dtsi b/boards/st/nucleo_wb55rg/arduino_r3_connector.dtsi
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wb55rg/arduino_r3_connector.dtsi
rename to boards/st/nucleo_wb55rg/arduino_r3_connector.dtsi
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/board.cmake b/boards/st/nucleo_wb55rg/board.cmake
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wb55rg/board.cmake
rename to boards/st/nucleo_wb55rg/board.cmake
diff --git a/boards/st/nucleo_wb55rg/board.yml b/boards/st/nucleo_wb55rg/board.yml
new file mode 100644
index 00000000000..49366ba9e62
--- /dev/null
+++ b/boards/st/nucleo_wb55rg/board.yml
@@ -0,0 +1,5 @@
+board:
+  name: nucleo_wb55rg
+  vendor: st
+  socs:
+    - name: stm32wb55xx
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/doc/img/nucleowb55rg.jpg b/boards/st/nucleo_wb55rg/doc/img/nucleowb55rg.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wb55rg/doc/img/nucleowb55rg.jpg
rename to boards/st/nucleo_wb55rg/doc/img/nucleowb55rg.jpg
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/doc/nucleo_wb55rg.rst b/boards/st/nucleo_wb55rg/doc/nucleo_wb55rg.rst
similarity index 99%
rename from boards/boards_legacy/arm/nucleo_wb55rg/doc/nucleo_wb55rg.rst
rename to boards/st/nucleo_wb55rg/doc/nucleo_wb55rg.rst
index 835b99f227f..04bdc9d45ec 100644
--- a/boards/boards_legacy/arm/nucleo_wb55rg/doc/nucleo_wb55rg.rst
+++ b/boards/st/nucleo_wb55rg/doc/nucleo_wb55rg.rst
@@ -177,7 +177,7 @@ The Zephyr nucleo_wb55rg board configuration supports the following hardware fea
 Other hardware features are not yet supported on this Zephyr port.
 
 The default configuration can be found in the defconfig file:
-``boards/arm/nucleo_wb55rg/nucleo_wb55rg_defconfig``
+:zephyr_file:`boards/st/nucleo_wb55rg/nucleo_wb55rg_defconfig`
 
 Bluetooth and compatibility with STM32WB Copro Wireless Binaries
 ================================================================
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/nucleo_wb55rg.dts b/boards/st/nucleo_wb55rg/nucleo_wb55rg.dts
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wb55rg/nucleo_wb55rg.dts
rename to boards/st/nucleo_wb55rg/nucleo_wb55rg.dts
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/nucleo_wb55rg.yaml b/boards/st/nucleo_wb55rg/nucleo_wb55rg.yaml
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wb55rg/nucleo_wb55rg.yaml
rename to boards/st/nucleo_wb55rg/nucleo_wb55rg.yaml
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/nucleo_wb55rg_defconfig b/boards/st/nucleo_wb55rg/nucleo_wb55rg_defconfig
similarity index 83%
rename from boards/boards_legacy/arm/nucleo_wb55rg/nucleo_wb55rg_defconfig
rename to boards/st/nucleo_wb55rg/nucleo_wb55rg_defconfig
index 9fdd732848e..75373aa997c 100644
--- a/boards/boards_legacy/arm/nucleo_wb55rg/nucleo_wb55rg_defconfig
+++ b/boards/st/nucleo_wb55rg/nucleo_wb55rg_defconfig
@@ -1,6 +1,3 @@
-CONFIG_SOC_SERIES_STM32WBX=y
-CONFIG_SOC_STM32WB55XX=y
-
 # enable uart driver
 CONFIG_SERIAL=y
 
diff --git a/boards/boards_legacy/arm/nucleo_wb55rg/support/openocd.cfg b/boards/st/nucleo_wb55rg/support/openocd.cfg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wb55rg/support/openocd.cfg
rename to boards/st/nucleo_wb55rg/support/openocd.cfg