national pride; local pride; pride in one's hometown
Refers to pride in one's country, region, or hometown, often in a boastful or affectionate way.
I'm always impressed by his pride in his country.
The local festival is the pride of our town.
boasting about one's hometown
Compound of 国 (くに, 'country, hometown') and 自慢 (じまん, 'pride, boast').