Newcastle
Strangely enough, Newcastle is NOT, although it IS perceived to be a bigger, more 'senior' city.
To be accurate, this title is held by Sunderland!
Sunderland is the largest city between leeds and edinburgh
The largest city east of Philadelphia would be Atlantic City in my opinion. It all depends on what you categorize as a "main city" and if you meant directly east or slightly north or south.
Murmansk, Russia around 69 degrees north 33 degrees east
I don't know where Abrdeen is but there is a city called Aberdeen in Scotland. It is Scotland's third largest city in the North East of the country.
Baku the capital and largest city of Azerbaijan.
Mexico (Mexico City is the largest city in North America).
Mexico City is the largest city in North America by population.
Fargo is the largest city in North Dakota.
Mexico City is the largest city in North America by population.
Mexico City, Mexico is the largest city in North America. Jakarta, Indonesia is the second largest city in the world.
The answer is the United States of America and Mexico. New york city is the largest and Mexico city is the second largest.
The largest east coast city in Australia is Sydney. It is the capital of New South Wales, and it is also the largest city in the entire country.