Philadelphia
Philadelphia, 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. Its population was 1.60 million at the 2020 census and estimated at 1.57 million in 2025. The Philadelphia metropolitan area, also known as the Delaware Valley, is located in both the Mid-Atlantic and northeastern United States; home to 6.33 million residents, it is the nation's ninth-largest metropolitan area. Philadelphia is known for its culture, cuisine, and history, maintaining contemporary influence in technology and business, sports, and music.
On WikiTrade, every Wikipedia article is a card: the more the article is read, the rarer the card. Open free packs, complete your album, trade, bid and challenge others to general-knowledge duels.
Play for freeRead the article on WikipediaText from Wikipedia (CC BY-SA 4.0). WikiTrade is an independent site, not affiliated with Wikipedia or the Wikimedia Foundation.