diff --git a/boards/boards_legacy/arm/sensortile_box/Kconfig.defconfig b/boards/st/sensortile_box/Kconfig.defconfig
similarity index 91%
rename from boards/boards_legacy/arm/sensortile_box/Kconfig.defconfig
rename to boards/st/sensortile_box/Kconfig.defconfig
index 1f3d19b39ca..29aa7598ef8 100644
--- a/boards/boards_legacy/arm/sensortile_box/Kconfig.defconfig
+++ b/boards/st/sensortile_box/Kconfig.defconfig
@@ -5,9 +5,6 @@
 
 if BOARD_SENSORTILE_BOX
 
-config BOARD
-	default "sensortile_box"
-
 if BT
 
 config SPI
diff --git a/boards/boards_legacy/arm/sensortile_box/Kconfig.board b/boards/st/sensortile_box/Kconfig.sensortile_box
similarity index 50%
rename from boards/boards_legacy/arm/sensortile_box/Kconfig.board
rename to boards/st/sensortile_box/Kconfig.sensortile_box
index 5341a09871a..0d7ec6b82af 100644
--- a/boards/boards_legacy/arm/sensortile_box/Kconfig.board
+++ b/boards/st/sensortile_box/Kconfig.sensortile_box
@@ -1,8 +1,5 @@
-# SensorTile.box board configuration
-
 # Copyright (c) 2019 STMicroelectronics
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_SENSORTILE_BOX
-	bool "SensorTile.box Development Board"
-	depends on SOC_STM32L4R9XX
+	select SOC_STM32L4R9XX
diff --git a/boards/boards_legacy/arm/sensortile_box/board.cmake b/boards/st/sensortile_box/board.cmake
similarity index 100%
rename from boards/boards_legacy/arm/sensortile_box/board.cmake
rename to boards/st/sensortile_box/board.cmake
diff --git a/boards/st/sensortile_box/board.yml b/boards/st/sensortile_box/board.yml
new file mode 100644
index 00000000000..4ac086b2cb7
--- /dev/null
+++ b/boards/st/sensortile_box/board.yml
@@ -0,0 +1,5 @@
+board:
+  name: sensortile_box
+  vendor: st
+  socs:
+    - name: stm32l4r9xx
diff --git a/boards/boards_legacy/arm/sensortile_box/doc/img/sensortile_box.jpg b/boards/st/sensortile_box/doc/img/sensortile_box.jpg
similarity index 100%
rename from boards/boards_legacy/arm/sensortile_box/doc/img/sensortile_box.jpg
rename to boards/st/sensortile_box/doc/img/sensortile_box.jpg
diff --git a/boards/boards_legacy/arm/sensortile_box/doc/index.rst b/boards/st/sensortile_box/doc/index.rst
similarity index 100%
rename from boards/boards_legacy/arm/sensortile_box/doc/index.rst
rename to boards/st/sensortile_box/doc/index.rst
diff --git a/boards/boards_legacy/arm/sensortile_box/sensortile_box.dts b/boards/st/sensortile_box/sensortile_box.dts
similarity index 100%
rename from boards/boards_legacy/arm/sensortile_box/sensortile_box.dts
rename to boards/st/sensortile_box/sensortile_box.dts
diff --git a/boards/boards_legacy/arm/sensortile_box/sensortile_box.yaml b/boards/st/sensortile_box/sensortile_box.yaml
similarity index 100%
rename from boards/boards_legacy/arm/sensortile_box/sensortile_box.yaml
rename to boards/st/sensortile_box/sensortile_box.yaml
diff --git a/boards/boards_legacy/arm/sensortile_box/sensortile_box_defconfig b/boards/st/sensortile_box/sensortile_box_defconfig
similarity index 85%
rename from boards/boards_legacy/arm/sensortile_box/sensortile_box_defconfig
rename to boards/st/sensortile_box/sensortile_box_defconfig
index 2970c68d6c9..4ba8077edd6 100644
--- a/boards/boards_legacy/arm/sensortile_box/sensortile_box_defconfig
+++ b/boards/st/sensortile_box/sensortile_box_defconfig
@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32L4X=y
-CONFIG_SOC_STM32L4R9XX=y
-
 # enable uart driver
 CONFIG_SERIAL=y
 
diff --git a/boards/boards_legacy/arm/sensortile_box/support/openocd.cfg b/boards/st/sensortile_box/support/openocd.cfg
similarity index 100%
rename from boards/boards_legacy/arm/sensortile_box/support/openocd.cfg
rename to boards/st/sensortile_box/support/openocd.cfg