Collin County is located in the state of Texas, just north of Dallas. It is part of the Dallas-Fort Worth metropolitan area and is known for its rapid growth and development. The county seat is McKinney, which is also one of the fastest-growing cities in the region. The county features a mix of urban and rural areas, with several parks and recreational facilities. It is home to various communities, including Frisco, Plano, and Allen, each offering a range of amenities and services. Collin County is recognized for its strong economy and quality of life.