Philadelphia, often referred to as "Philly," is the largest city in the Commonwealth of Pennsylvania in the United States. It is also the sixth-most populous city in the United States, with a population of approximately 1.6 million people in 2022. Here are some key details about Philadelphia:

• Location: Philadelphia is located in the southeastern part of Pennsylvania, along the Delaware River, near the Atlantic Ocean. It is about 95 miles (153 kilometers) southwest of New York City and 135 miles (217 kilometers) northeast of Washington, D.C.
• Climate: Philadelphia has a humid subtropical climate, with hot, humid summers and cold winters. The average high temperature in July, the hottest month, is around 31°C (88°F), while in January, the coldest month, it is around 3°C (37°F).
• Economy: Philadelphia has a diverse economy, with key industries including healthcare, education, technology, finance, manufacturing, and tourism. The city is also home to several Fortune 500 companies, including Comcast, Aramark, and Comcast Spectacor.
• Transportation: Philadelphia has a comprehensive transportation network, including buses, trains, and subways. The city is also served by the Philadelphia International Airport, which is located about 7 miles (11 kilometers) southwest of downtown Philadelphia.
• Culture and Attractions: Philadelphia is known for its rich history and cultural heritage, with several historic landmarks and cultural attractions. Some popular attractions include the Liberty Bell, Independence Hall, the Philadelphia Museum of Art, and Reading Terminal Market.
• Education: Philadelphia is home to several prestigious educational institutions, including the University of Pennsylvania, which is one of the Ivy League schools. The city also has a number of public and private schools, offering education from preschool to high school.
• Language and Culture: English is the official language of Philadelphia, although several other languages are also spoken, including Spanish, Chinese, and Vietnamese. The city has a rich cultural scene, with influences from various ethnic groups and religions.
• Cuisine: Philadelphia is known for its diverse and flavorful cuisine, which includes a mix of traditional American dishes as well as international cuisines. Some popular dishes include cheesesteaks, soft pretzels, and hoagies.
• Safety: Philadelphia has a relatively high crime rate compared to other major cities in the United States. However, crime rates can vary depending on the neighborhood and type of crime.