Adams County is located in the state of Pennsylvania, known for its rich history and agricultural landscape. It was established in 1800 and named after John Adams, the second President of the United States. The county seat is Gettysburg, famous for the pivotal Civil War battle that took place there in 1863. The county features a mix of rural areas and small towns, with a population of around 100,000 residents. It is home to several parks and recreational areas, including Gettysburg National Military Park, which attracts visitors interested in history and outdoor activities.