Kwanso

Kwanso
Hangul
Hanja 西
Revised Romanization Gwanseo
McCune–Reischauer Kwansŏ

Kwansŏ is the name of a region that coincides with the former Pyongan Province in what is now North Korea. The region includes the modern-day provinces of Chagang, South Pyongan and North Pyongan and the self-governing cities of Nampho and Pyongyang.