Philadelphia Travel Guide
USA
About Philadelphia
Philadelphia ( FIL-ə-DEL-fee-ə), colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania, and the sixth-most populous city in the United States, with a Census-estimated population of 1,574,281 in July 2025. The Philadelphia metropolitan area (also called the Delaware Valley) has 6.33 million residents and is the nation's ninth-largest metropolitan area.
Best time to visit: April, May, June, September, October. Language: English. Currency: USD.
Top Attractions in Philadelphia
From iconic landmarks to hidden gems, Philadelphia offers world-class sightseeing. Whether you're exploring cultural heritage, dining, or capturing the city skyline, there's something for every traveler. Use our map below to plan your visit and discover the best things to do in Philadelphia.