陕甘宁

shǎn gān níng

Shaanxi, Gansu and Ningxia provinces

陕

shǎn

abbr. for Shaanxi 陝西|陕西 province

甘

gān

abbr. for Gansu Province 甘肅省|甘肃省[Gan1 su4 Sheng3]

宁

níng

variant of 寧|宁[ning2]