Philadelphia, often called “Philly,” is a historic city located in southeastern Pennsylvania. It played a key role in American history, being the site of the signing of the Declaration of Independence in 1776 and the Constitutional Convention in 1787. Known for its rich cultural heritage, iconic landmarks like the Liberty Bell and Independence Hall, and vibrant arts scene, Philadelphia is also renowned for its diverse neighborhoods, world-class museums, and delicious food, especially the famous Philly cheesesteak.