I believe it was called the sea of tranquility.
If by "they" you mean Apollo 11, they landed on Mare Tranquillitatis.
The name of the US spacecraft that first landed on the moon was Apollo 11.
Apollo 11 landed on the moon in a area called the Sea of Tranquility.
Apollo 11 landed on the Sea of Tranquility.
The NASA missions which landed humans on the moon were called the Apollo Moon missions.
Apollo 11
Apollo 13 was the name of the mission that landed the first men on the moon.
The location where Neil Armstrong landed on the moon during the Apollo 11 mission is called the "Sea of Tranquility" or "Mare Tranquillitatis" in Latin.
The missions that landed on the moon as part of NASA's Apollo program were Apollo 11, Apollo 12, Apollo 14, Apollo 15, Apollo 16, and Apollo 17. These missions successfully landed astronauts on the lunar surface between 1969 and 1972.
Apollo 8 went around the moon, but Apollo 11 landed on the moon, it was called Eagle
The name of the first spacecraft to land on the moon was Apollo 11. It landed on the moon on July 20, 1969.
The mission that landed the first men on the moon was Apollo 11. It took place in July 1969, with astronauts Neil Armstrong and Edwin "Buzz" Aldrin becoming the first humans to walk on the lunar surface.