Through which parts of the Roman empire did the invaders spread? Which parts of the Roman empire did they 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. They also spread through the Eastern Roman Empire, which included parts of modern-day Turkey, Greece, and the Middle East. The invaders did not enter the British Isles, which was part of the Western Roman Empire, nor did they enter the northern parts of the Eastern Roman Empire, such as modern-day Ukraine and Russia.