- 圣胡安 shènghú'ān San JuanSan Juan, the capital city of Puerto Rico
- 胡安国 hú'ānguó Hu AnguoHu Anguo (1074-1138), a prominent Confucian scholar of the Northern Song Dynasty from Fujian, known for his twenty-year study and commentary on the "Spring and Autumn Annals" after the work had been discarded by [[王安石|王安石|wang2 an1 shi2]]