The city of Dover is located in the county of Strafford. It covers a total area of 75.2 sq. km. The economy of the city revolves around industries involved in advertising, aviation, architecture, arts and crafts, automotive, apparel, pharmaceuticals, freight forwarding, auto insurance, oil and lubrication and real estate, contribute to the economy of the city. Professionals are involved in businesses as auto inspection services, arthritis specialists, business consultants, computer repair, home health, investment advisory services, optometrists and physical therapist, enhance the economy in a positive way.