Oban is a Scottish port; the names for specific places are always proper nouns and should always be capitalized.
Oban Hydro was created in 1881.
Oban Celtic was created in 1927.
Oban Camanachd was created in 1889.
Oban is on the Scottish mainland.
Oban railway station was created in 1880.
Common noun
it takes around 3 hours to get from Edinburgh to Oban by car. :)
The distance from Glasgow to Oban is 97.3 miles.
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.