diff --git a/boards/boards_legacy/arm/nucleo_l476rg/Kconfig.board b/boards/boards_legacy/arm/nucleo_l476rg/Kconfig.board
deleted file mode 100644
index b83025518a2..00000000000
--- a/boards/boards_legacy/arm/nucleo_l476rg/Kconfig.board
+++ /dev/null
@@ -1,9 +0,0 @@
-# STM32L476RG Nucleo board configuration
-
-# Copyright (c) 2016 Open-RnD Sp. z o.o.
-# Copyright (c) 2016 BayLibre, SAS
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_NUCLEO_L476RG
-	bool "Nucleo L476RG Development Board"
-	depends on SOC_STM32L476XX
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/Kconfig.defconfig b/boards/st/nucleo_l476rg/Kconfig.defconfig
similarity index 87%
rename from boards/boards_legacy/arm/nucleo_l476rg/Kconfig.defconfig
rename to boards/st/nucleo_l476rg/Kconfig.defconfig
index cbbef016161..276fdc47b58 100644
--- a/boards/boards_legacy/arm/nucleo_l476rg/Kconfig.defconfig
+++ b/boards/st/nucleo_l476rg/Kconfig.defconfig
@@ -6,9 +6,6 @@
 
 if BOARD_NUCLEO_L476RG
 
-config BOARD
-	default "nucleo_l476rg"
-
 config SPI_STM32_INTERRUPT
 	default y
 	depends on SPI
diff --git a/boards/st/nucleo_l476rg/Kconfig.nucleo_l476rg b/boards/st/nucleo_l476rg/Kconfig.nucleo_l476rg
new file mode 100644
index 00000000000..dd3608327d1
--- /dev/null
+++ b/boards/st/nucleo_l476rg/Kconfig.nucleo_l476rg
@@ -0,0 +1,5 @@
+# Copyright (c) 2016 BayLibre, SAS
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NUCLEO_L476RG
+	select SOC_STM32L476XX
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/arduino_r3_connector.dtsi b/boards/st/nucleo_l476rg/arduino_r3_connector.dtsi
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/arduino_r3_connector.dtsi
rename to boards/st/nucleo_l476rg/arduino_r3_connector.dtsi
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/board.cmake b/boards/st/nucleo_l476rg/board.cmake
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/board.cmake
rename to boards/st/nucleo_l476rg/board.cmake
diff --git a/boards/st/nucleo_l476rg/board.yml b/boards/st/nucleo_l476rg/board.yml
new file mode 100644
index 00000000000..c6b21713e34
--- /dev/null
+++ b/boards/st/nucleo_l476rg/board.yml
@@ -0,0 +1,5 @@
+board:
+  name: nucleo_l476rg
+  vendor: st
+  socs:
+    - name: stm32l476xx
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/doc/img/nucleo_l476rg.jpg b/boards/st/nucleo_l476rg/doc/img/nucleo_l476rg.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/doc/img/nucleo_l476rg.jpg
rename to boards/st/nucleo_l476rg/doc/img/nucleo_l476rg.jpg
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/doc/img/nucleo_l476rg_arduino.jpg b/boards/st/nucleo_l476rg/doc/img/nucleo_l476rg_arduino.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/doc/img/nucleo_l476rg_arduino.jpg
rename to boards/st/nucleo_l476rg/doc/img/nucleo_l476rg_arduino.jpg
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/doc/img/nucleo_l476rg_morpho.jpg b/boards/st/nucleo_l476rg/doc/img/nucleo_l476rg_morpho.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/doc/img/nucleo_l476rg_morpho.jpg
rename to boards/st/nucleo_l476rg/doc/img/nucleo_l476rg_morpho.jpg
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/doc/index.rst b/boards/st/nucleo_l476rg/doc/index.rst
similarity index 99%
rename from boards/boards_legacy/arm/nucleo_l476rg/doc/index.rst
rename to boards/st/nucleo_l476rg/doc/index.rst
index 10dff333643..f64bd9f7540 100644
--- a/boards/boards_legacy/arm/nucleo_l476rg/doc/index.rst
+++ b/boards/st/nucleo_l476rg/doc/index.rst
@@ -127,7 +127,7 @@ The Zephyr nucleo_l476rg 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_l476rg/nucleo_l476rg_defconfig``
+``boards/st/nucleo_l476rg/nucleo_l476rg_defconfig``
 
 
 Connections and IOs
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/nucleo_l476rg.dts b/boards/st/nucleo_l476rg/nucleo_l476rg.dts
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/nucleo_l476rg.dts
rename to boards/st/nucleo_l476rg/nucleo_l476rg.dts
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/nucleo_l476rg.yaml b/boards/st/nucleo_l476rg/nucleo_l476rg.yaml
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/nucleo_l476rg.yaml
rename to boards/st/nucleo_l476rg/nucleo_l476rg.yaml
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/nucleo_l476rg_defconfig b/boards/st/nucleo_l476rg/nucleo_l476rg_defconfig
similarity index 85%
rename from boards/boards_legacy/arm/nucleo_l476rg/nucleo_l476rg_defconfig
rename to boards/st/nucleo_l476rg/nucleo_l476rg_defconfig
index 0ba22d7b6c4..76e7e50d1fa 100644
--- a/boards/boards_legacy/arm/nucleo_l476rg/nucleo_l476rg_defconfig
+++ b/boards/st/nucleo_l476rg/nucleo_l476rg_defconfig
@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32L4X=y
-CONFIG_SOC_STM32L476XX=y
-
 # enable uart driver
 CONFIG_SERIAL=y
 
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/st_morpho_connector.dtsi b/boards/st/nucleo_l476rg/st_morpho_connector.dtsi
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/st_morpho_connector.dtsi
rename to boards/st/nucleo_l476rg/st_morpho_connector.dtsi
diff --git a/boards/boards_legacy/arm/nucleo_l476rg/support/openocd.cfg b/boards/st/nucleo_l476rg/support/openocd.cfg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l476rg/support/openocd.cfg
rename to boards/st/nucleo_l476rg/support/openocd.cfg