The City of Aurora is a Home Rule Municipality in the State of Colorado, spanning Arapahoe and Adams counties, with the extreme southeastern portion of the city extending into Douglas County. Aurora is one of the principal cities of the Denver-Aurora-Broomfield, CO Metropolitan Statistical Area. Wikipedia

Gresham is a city located in Multnomah County, Oregon, United States immediately east of Portland. It was named after the American Civil War general, and Postmaster General, Walter Quinton Gresham. The population was 105,594 at the 2010 census, making Gresham the fourth largest city in Oregon. Wikipedia