Through which parts of the Roman empire did the invaders spread? Which parts did the Roman empire not enter?

The invaders spread through much of the Roman Empire, including the Western Roman Empire, which included parts of modern-day France, Spain, Italy, and North Africa. The Eastern Roman Empire, which included parts of modern-day Turkey, Greece, and the Middle East, was also invaded. The Roman Empire did not enter Britain, Scandinavia, or Eastern Europe.