The largest city in Europe is Istanbul, Turkey. Though a portion of Istanbul lies in Asia, the majority of its population resides in the European part, making it the largest city on the continent in terms of population. Istanbul has a rich history, serving as the capital of multiple empires, including the Roman, Byzantine, and Ottoman. With its unique cultural blend of East and West, bustling markets, historical landmarks, and vibrant neighborhoods, Istanbul attracts millions of tourists each year and remains a key center of trade, art, and culture.