Pittsburg County is located in the southeastern part of the state of Oklahoma. It was established in 1907 and is named after the city of Pittsburgh, Pennsylvania. The county seat is McAlester, which serves as the largest city in the area. Pittsburg County is known for its rich history in coal mining and agriculture, contributing significantly to the local economy. The county covers an area of approximately 1,440 square miles and features a mix of rural and urban communities. It is home to several parks and recreational areas, including Lake Eufaula, which is one of the largest lakes in Oklahoma. The diverse landscape offers opportunities for outdoor activities such as fishing, hiking, and camping.