Zijin County
| Zijin 紫金县 | |
|---|---|
| Zijin in Heyuan | |
| Heyuan in Guangdong | |
| Coordinates: 23°38′07″N 115°11′03″E / 23.6353°N 115.1841°E | |
| Country | People's Republic of China | 
| Province | Guangdong | 
| Prefecture-level city | Heyuan | 
| Area | |
|  • Total | 3,627 km2 (1,400 sq mi) | 
| Population  (2020 census) | |
|  • Total | 551,095 | 
| • Density | 150/km2 (390/sq mi) | 
| Time zone | UTC+8 (China Standard) | 
Zijin County (postal: Tzekam; Chinese: 紫金縣; pinyin: Zǐjīn Xiàn; Hakka Pha̍k-fa-sṳ: Tsṳ́-kîm-yen) is a county in the east of Guangdong Province, China. It is the southernmost county-level division of the prefecture-level city of Heyuan. The county was known as Yongan County (postal: Wingon) before January 1914.