Mexico City, also known as Ciudad de México in Spanish, is the vibrant and bustling capital of Mexico. Located in the heart of the country, it is situated in the Valley of Mexico, surrounded by majestic mountains. With a population of over 9 million people, it is one of the largest and most populous cities in the world. Mexico City is a melting pot of cultures, blending ancient traditions with modern influences. It has a rich history that dates back to the Aztec civilization, as evidenced by the ruins of the Templo Mayor, an ancient Aztec temple complex located in the city center. The city's historic center, known as Zocalo, is a UNESCO World Heritage site and is home to numerous architectural gems, including the Metropolitan Cathedral and the National Palace.