ولیعصر (Vali Asr) is a major thoroughfare in Tehran, the capital city of Iran. It stretches approximately 17 kilometers, making it one of the longest streets in the city. The street is named after the twelfth Imam in Shia Islam, Imam Mahdi, who is also referred to as ولیعصر. The street is known for its vibrant atmosphere, lined with shops, cafes, and cultural landmarks. It connects several important areas, including Tajrish and Tehran's Grand Bazaar, serving as a central hub for both locals and tourists. The street is also notable for its tree-lined sidewalks and public spaces.