Gresham (/ˈɡrɛʃəm/ GRESH-əm) is a city located in Multnomah County, Oregon, in the United States of America, immediately east of Portland, Oregon. It is considered a suburb within the Greater Portland Metropolitan area. Though it began as a settlement in the mid-1800s, it was not officially incorporated as a city until 1905; it was named after Walter Quintin Gresham, the American Civil War general and United States Secretary of State.