diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/Kconfig.board b/boards/boards_legacy/arm/nucleo_wl55jc/Kconfig.board
deleted file mode 100644
index ece57d57da0..00000000000
--- a/boards/boards_legacy/arm/nucleo_wl55jc/Kconfig.board
+++ /dev/null
@@ -1,8 +0,0 @@
-# STM32WL55JC Nucleo board configuration
-
-# Copyright (c) 2020 STMicroelectronics
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_NUCLEO_WL55JC
-	bool "Nucleo WL55JC Development Board"
-	depends on SOC_STM32WL55XX
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/Kconfig.defconfig b/boards/boards_legacy/arm/nucleo_wl55jc/Kconfig.defconfig
deleted file mode 100644
index 981e20f0306..00000000000
--- a/boards/boards_legacy/arm/nucleo_wl55jc/Kconfig.defconfig
+++ /dev/null
@@ -1,11 +0,0 @@
-# STM32WL55JC Nucleo board configuration
-
-# Copyright (c) 2020 STMicroelectronics
-# SPDX-License-Identifier: Apache-2.0
-
-if BOARD_NUCLEO_WL55JC
-
-config BOARD
-	default "nucleo_wl55jc"
-
-endif # BOARD_NUCLEO_WL55JC
diff --git a/boards/st/nucleo_wl55jc/Kconfig.nucleo_wl55jc b/boards/st/nucleo_wl55jc/Kconfig.nucleo_wl55jc
new file mode 100644
index 00000000000..365b200dee6
--- /dev/null
+++ b/boards/st/nucleo_wl55jc/Kconfig.nucleo_wl55jc
@@ -0,0 +1,5 @@
+# Copyright (c) 2020 STMicroelectronics
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NUCLEO_WL55JC
+	select SOC_STM32WL55XX
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/arduino_r3_connector.dtsi b/boards/st/nucleo_wl55jc/arduino_r3_connector.dtsi
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wl55jc/arduino_r3_connector.dtsi
rename to boards/st/nucleo_wl55jc/arduino_r3_connector.dtsi
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/board.cmake b/boards/st/nucleo_wl55jc/board.cmake
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wl55jc/board.cmake
rename to boards/st/nucleo_wl55jc/board.cmake
diff --git a/boards/st/nucleo_wl55jc/board.yml b/boards/st/nucleo_wl55jc/board.yml
new file mode 100644
index 00000000000..930da79b199
--- /dev/null
+++ b/boards/st/nucleo_wl55jc/board.yml
@@ -0,0 +1,5 @@
+board:
+  name: nucleo_wl55jc
+  vendor: st
+  socs:
+    - name: stm32wl55xx
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/doc/img/nucleo_wl55jc.jpg b/boards/st/nucleo_wl55jc/doc/img/nucleo_wl55jc.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wl55jc/doc/img/nucleo_wl55jc.jpg
rename to boards/st/nucleo_wl55jc/doc/img/nucleo_wl55jc.jpg
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/doc/nucleo_wl55jc.rst b/boards/st/nucleo_wl55jc/doc/nucleo_wl55jc.rst
similarity index 98%
rename from boards/boards_legacy/arm/nucleo_wl55jc/doc/nucleo_wl55jc.rst
rename to boards/st/nucleo_wl55jc/doc/nucleo_wl55jc.rst
index 3d569753f15..df32bbc07c0 100644
--- a/boards/boards_legacy/arm/nucleo_wl55jc/doc/nucleo_wl55jc.rst
+++ b/boards/st/nucleo_wl55jc/doc/nucleo_wl55jc.rst
@@ -211,10 +211,10 @@ features:
 
 Other hardware features are not yet supported on this Zephyr port.
 
-The default configuration can be found in the defconfig and dts files:
+The default configuration can be found in:
 
-- :zephyr_file:`boards/arm/nucleo_wl55jc/nucleo_wl55jc_defconfig`
-- :zephyr_file:`boards/arm/nucleo_wl55jc/nucleo_wl55jc.dts`
+- :zephyr_file:`boards/st/nucleo_wl55jc/nucleo_wl55jc_defconfig`
+- :zephyr_file:`boards/st/nucleo_wl55jc/nucleo_wl55jc.dts`
 
 
 Connections and IOs
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/nucleo_wl55jc.dts b/boards/st/nucleo_wl55jc/nucleo_wl55jc.dts
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wl55jc/nucleo_wl55jc.dts
rename to boards/st/nucleo_wl55jc/nucleo_wl55jc.dts
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/nucleo_wl55jc.yaml b/boards/st/nucleo_wl55jc/nucleo_wl55jc.yaml
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wl55jc/nucleo_wl55jc.yaml
rename to boards/st/nucleo_wl55jc/nucleo_wl55jc.yaml
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/nucleo_wl55jc_defconfig b/boards/st/nucleo_wl55jc/nucleo_wl55jc_defconfig
similarity index 83%
rename from boards/boards_legacy/arm/nucleo_wl55jc/nucleo_wl55jc_defconfig
rename to boards/st/nucleo_wl55jc/nucleo_wl55jc_defconfig
index 813ba6643cc..0d6dc9f80d3 100644
--- a/boards/boards_legacy/arm/nucleo_wl55jc/nucleo_wl55jc_defconfig
+++ b/boards/st/nucleo_wl55jc/nucleo_wl55jc_defconfig
@@ -1,6 +1,3 @@
-CONFIG_SOC_SERIES_STM32WLX=y
-CONFIG_SOC_STM32WL55XX=y
-
 # enable uart driver
 CONFIG_SERIAL=y
 
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/st_morpho_connector.dtsi b/boards/st/nucleo_wl55jc/st_morpho_connector.dtsi
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wl55jc/st_morpho_connector.dtsi
rename to boards/st/nucleo_wl55jc/st_morpho_connector.dtsi
diff --git a/boards/boards_legacy/arm/nucleo_wl55jc/support/openocd.cfg b/boards/st/nucleo_wl55jc/support/openocd.cfg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_wl55jc/support/openocd.cfg
rename to boards/st/nucleo_wl55jc/support/openocd.cfg