provincialism
noun
[ prəˈvɪnʃ(ə)lɪz(ə)m ]
• the way of life characteristic of the regions outside the capital city of a country, especially when regarded as unsophisticated or narrow-minded.
• "book-loving Belle was burning to escape the provincialism of her village"
• concern for one's own area or region at the expense of national or supranational unity.
• "the President warned that focusing on relations with close neighbours would lead to political provincialism"
• a word or phrase peculiar to a local area.
• "if an idiom is a provincialism, it is likely to be found in a dialect dictionary"
• the degree to which plant or animal communities are restricted to particular areas.
• "the lack of provincialism in Silurian fauna"