Which of the following is a state located in the Northeast region?

Pennsylvania is a state located in the Northeast region of the United States. The Northeast is generally defined to include states like Pennsylvania, New York, New Jersey, Massachusetts, Connecticut, Rhode Island, Maine, New Hampshire, and Vermont.

Pennsylvania, with its rich history and significant role in the founding of the nation, is known for cities like Philadelphia and Pittsburgh, both of which are historically and culturally important. It also features a diverse landscape, from urban areas to rural countryside and the Appalachian Mountains.

In contrast, the other states mentioned—Oregon, Texas, and Arizona—are not located in the Northeast. Oregon is located in the Pacific Northwest, Texas is in the South Central region, and Arizona can be found in the Southwest. Each of these states has distinct geographical, cultural, and historical characteristics that set them apart from the Northeastern states.