Lanzhou (a prefecture-level city, the provincial capital of Gansu, in northwestern China)

Guizhou

Zhengzhou (a prefecture-level city, the provincial capital of Henan, in central China)

Guangzhou (the capital and largest city of Guangdong, China)

a call to form a group / a summons / conscription

to call together into a group / to summon / to draft; to conscript

Kyūjitai form of 周囲 (“surroundings; perimeter”)

convene a group / convene a congress / conscript, a draft / a summon

calling people to come together / convention of a congress / draft (someone) / summon (someone)

Colorado - a state of the United States of America. Capital: Denver.