Where is Tranquility Bay located at?

The Sea of Tranquility is located on the Moon. It is a flat, barren plain located in the northern hemisphere of the Moon. The Sea of Tranquility is one of the largest maria, or lunar plains, on the Moon, and is known for being the landing site of the Apollo 11 mission in 1969, when astronauts Neil Armstrong and Buzz Aldrin became the first humans to walk on the Moon.