The name Persia comes from the Persian people, who were the dominant ethnic group in the region. The term "Persia" is derived from the Persis region in southern Iran, which was the heart of the Achaemenid Empire. It's like how New York is named after the Duke of York - pretty cool, right?
Fast forward to the 20th century, when the country's name was officially changed to Iran in 1935. This was because the Reza Shah Pahlavi, the ruler at the time, wanted to modernize and secularize the country. He thought Persia sounded too old-fashioned, and Iran was more in line with the country's new vibe.
But here's the thing: Persia is still used today to refer to the country's rich cultural heritage. You'll often see Persian art, Persian literature, and even Persian cuisine (think kebabs and shirazi salad!) being celebrated around the world. It's like how China is still called the Middle Kingdom - it's all about the history and tradition, baby!