Oregon Port is a city located in the U.S. state of Oregon, and its crossword solution is 'Astoria'. Astoria is a port city located at the mouth of the Columbia River in Clatsop County, Oregon. It is the oldest American settlement west of the Rocky Mountains. Astoria was established in 1811 by John Jacob Astor's Pacific Fur Company, and it has since become a popular tourist destination due to its rich history and stunning views of the Columbia River.