diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/Kconfig.board b/boards/boards_legacy/arm/nucleo_l4r5zi/Kconfig.board
deleted file mode 100644
index aebd712289b..00000000000
--- a/boards/boards_legacy/arm/nucleo_l4r5zi/Kconfig.board
+++ /dev/null
@@ -1,8 +0,0 @@
-# STM32L4R5ZI Nucleo board configuration
-
-# Copyright (c) 2018 Pushpal Sidhu
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_NUCLEO_L4R5ZI
-	bool "Nucleo L4R5ZI Development Board"
-	depends on SOC_STM32L4R5XX
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/Kconfig.defconfig b/boards/st/nucleo_l4r5zi/Kconfig.defconfig
similarity index 89%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/Kconfig.defconfig
rename to boards/st/nucleo_l4r5zi/Kconfig.defconfig
index 5b3db7604cb..31b375e87d2 100644
--- a/boards/boards_legacy/arm/nucleo_l4r5zi/Kconfig.defconfig
+++ b/boards/st/nucleo_l4r5zi/Kconfig.defconfig
@@ -5,9 +5,6 @@
 
 if BOARD_NUCLEO_L4R5ZI
 
-config BOARD
-	default "nucleo_l4r5zi"
-
 config SPI_STM32_INTERRUPT
 	default y
 	depends on SPI
diff --git a/boards/st/nucleo_l4r5zi/Kconfig.nucleo_l4r5zi b/boards/st/nucleo_l4r5zi/Kconfig.nucleo_l4r5zi
new file mode 100644
index 00000000000..06fe55dc6b5
--- /dev/null
+++ b/boards/st/nucleo_l4r5zi/Kconfig.nucleo_l4r5zi
@@ -0,0 +1,5 @@
+# Copyright (c) 2018 Pushpal Sidhu
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NUCLEO_L4R5ZI
+	select SOC_STM32L4R5XX
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/arduino_r3_connector.dtsi b/boards/st/nucleo_l4r5zi/arduino_r3_connector.dtsi
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/arduino_r3_connector.dtsi
rename to boards/st/nucleo_l4r5zi/arduino_r3_connector.dtsi
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/board.cmake b/boards/st/nucleo_l4r5zi/board.cmake
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/board.cmake
rename to boards/st/nucleo_l4r5zi/board.cmake
diff --git a/boards/st/nucleo_l4r5zi/board.yml b/boards/st/nucleo_l4r5zi/board.yml
new file mode 100644
index 00000000000..46ead4d8831
--- /dev/null
+++ b/boards/st/nucleo_l4r5zi/board.yml
@@ -0,0 +1,5 @@
+board:
+  name: nucleo_l4r5zi
+  vendor: st
+  socs:
+    - name: stm32l4r5xx
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/doc/img/nucleo144_layout.jpg b/boards/st/nucleo_l4r5zi/doc/img/nucleo144_layout.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/doc/img/nucleo144_layout.jpg
rename to boards/st/nucleo_l4r5zi/doc/img/nucleo144_layout.jpg
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/doc/img/nucleo_l4r5zi.jpg b/boards/st/nucleo_l4r5zi/doc/img/nucleo_l4r5zi.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/doc/img/nucleo_l4r5zi.jpg
rename to boards/st/nucleo_l4r5zi/doc/img/nucleo_l4r5zi.jpg
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/doc/index.rst b/boards/st/nucleo_l4r5zi/doc/index.rst
similarity index 99%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/doc/index.rst
rename to boards/st/nucleo_l4r5zi/doc/index.rst
index b132403ce2a..bea77feb75d 100644
--- a/boards/boards_legacy/arm/nucleo_l4r5zi/doc/index.rst
+++ b/boards/st/nucleo_l4r5zi/doc/index.rst
@@ -145,7 +145,7 @@ hardware features:
 Other hardware features are not yet supported on this Zephyr port.
 
 The default configuration can be found in the defconfig file:
-``boards/arm/nucleo_l4r5zi/nucleo_l4r5zi_defconfig``
+``boards/st/nucleo_l4r5zi/nucleo_l4r5zi_defconfig``
 
 
 Connections and IOs
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/nucleo_l4r5zi.dts b/boards/st/nucleo_l4r5zi/nucleo_l4r5zi.dts
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/nucleo_l4r5zi.dts
rename to boards/st/nucleo_l4r5zi/nucleo_l4r5zi.dts
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/nucleo_l4r5zi.yaml b/boards/st/nucleo_l4r5zi/nucleo_l4r5zi.yaml
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/nucleo_l4r5zi.yaml
rename to boards/st/nucleo_l4r5zi/nucleo_l4r5zi.yaml
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/nucleo_l4r5zi_defconfig b/boards/st/nucleo_l4r5zi/nucleo_l4r5zi_defconfig
similarity index 85%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/nucleo_l4r5zi_defconfig
rename to boards/st/nucleo_l4r5zi/nucleo_l4r5zi_defconfig
index 0efb42f55a9..4ba8077edd6 100644
--- a/boards/boards_legacy/arm/nucleo_l4r5zi/nucleo_l4r5zi_defconfig
+++ b/boards/st/nucleo_l4r5zi/nucleo_l4r5zi_defconfig
@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32L4X=y
-CONFIG_SOC_STM32L4R5XX=y
-
 # enable uart driver
 CONFIG_SERIAL=y
 
diff --git a/boards/boards_legacy/arm/nucleo_l4r5zi/support/openocd.cfg b/boards/st/nucleo_l4r5zi/support/openocd.cfg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_l4r5zi/support/openocd.cfg
rename to boards/st/nucleo_l4r5zi/support/openocd.cfg