The city of Celina is located within the counties of Collin and Denton. It covers a total area of 36.7 sq. km. The economy of the city revolves around industries involved in alternative medicine, finance, construction, apparel, electric equipment, freight forwarding, auto insurance, oil and lubrication, real estate and telephone communication, enhancing the financial viability of the city. Commercial spaces are utilized by public libraries, printing services, riding academics, restaurants, service station and wine stores.