B
已访问地点：122
联合国会员国：8 / 193 (4%)
联合国+（国家和地区）：8 / 256 (3%)
最北端：Anchorage (61° 12′ N, 149° 53′ W)
(61° 12′ N, 149° 53′ W)最西端：Anchorage (61° 12′ N, 149° 53′ W)
(61° 12′ N, 149° 53′ W)最东端：Harbin 
(45° 48′ N, 126° 31′ E)
(45° 48′ N, 126° 31′ E)最南端：Singapore 
(1° 17′ N, 103° 51′ E)
(1° 17′ N, 103° 51′ E)加入时间：2年前