The large community of Gannan ( Chinese 甘南 镇 , Pinyin Gānnán Zhèn ) is the capital of Gannan County in the prefecture -level city of Qiqihar in the northeast Chinese province of Heilongjiang .
47.914722222222 123.50305555556Coordinates: 47 ° 55 ' N , 123 ° 30' E