i live in Portland! It's actually the most populous city in the state of maine
Oh really? Whenever I hear of the city of Portland, I usually think of Oregon. 
Portland in Oregon is the largest city in that state :) There are several Portlands
I didn't know there were so many Portlands, especially so many popular ones. What else do you know about the one in Maine?
Don't know much about maine but i know that Portland , Oreegon was named after Portland in Maine
So the Maine Portland is the original huh? I had no idea. 
it is! and that one was named after the English Isle of Portland
Wow, so what made that Portland so well known that we named a city after it?
a central part of the Jurassic Coast, a World Heritage Site on the Dorset and east Devon coast, important for its geology and landforms. Portland stone, a limestone famous for its use in British and world architecture, including St Paul's Cathedral and the United Nations Headquarters, continues to be quarried here.
Portland Harbour, in between Portland and Weymouth, is one of the largest man-made harbours in the world. The harbour was made by the building of stone breakwaters between 1848 and 1905. From its inception
Portland, Oregon
Portland is the largest and most populous city in the U.S. state of Oregon and the seat of Multnomah County. It is a major port in the Willamette Valley region of the Pacific Northwest, at the confluence of the Willamette and Columbia rivers. As of 2018, Portland had an estimated population of 653,115, making it the 25th most populated city in the United States, and the second-most populous in the Pacific Northwest (after Seattle). Approximately 2.4 million people live in the Portland metropolitan statistical area