| Full Name | Park Seong-hwa |
| Stage Name | Seonghwa |
| Native Name | 박성화 |
| Birthday | April 3, 1998 |
| Age | 27 years and 1 month old |
| Zodiac Sign | Aries |
| Birthplace | Jinju, South Gyeongsang, South Korea |
| Height | 5’10” (178 cm) |
| Weight | 134.5 lbs (61 kg) |
| Blood Type | 0 |
| MBTI | ENFJ |
| Education | Global Cyber University |
| Languages | Korean, English |
| Group | ATEEZ SPARKLING (2021) |
| Social Media | Instagram: [@starhwa] |