This is the 1567th most frequent Japanese word.
南部
"南部" means "southern part" or "southern region."
南部 (nanbu) here refers to the southern part of a region, in this case, Japan.
日本の南部は温暖な気候に恵まれています。
The southern areas of Japan are blessed with a warm climate.
南部 (nanbu) in this context is a proper noun, posibly the name of a university.
南部大学で勉強することを決めました。
I decided to study at Nanbu University.
南部 (nanbu) is used here to indicate the southern region of a country, highlighting geographic relevance.