Where are the locations of mountains in Saudi outline map?

- Red Sea Hills: Located along the Red Sea coast.

- Hejaz Mountains: Located in the western region of Saudi Arabia, running parallel to the Red Sea coast.

- Asir Mountains: Located in the southwestern region of Saudi Arabia.

- Tuwaiq Mountains: Located in the central region of Saudi Arabia, running from north to south.

- Shammar Mountains: Located in the northern part of Saudi Arabia.