Answer the following Q with stream of consciousness. Passage: The Western Allies of World War II launched the largest amphibious invasion in history when they assaulted Normandy, located on the northern coast of France, on 6 June 1944. The invaders were able to establish a beachhead as part of Operation Overlord after a successful "D-Day," the first day of the invasion.

Question: Based on this passage, where did the invasion of normandy take place?
This is the relevant information: The Western Allies of World War II launched the largest amphibious invasion in history when they assaulted Normandy, located on the northern coast of France, on 6 June 1944. Therefore, the final answer is the northern coast of France.