| Protapnagar Union | |
| Native Name: | প্রতাপনগর ইউনিয়ন |
| Native Name Lang: | bn |
| Settlement Type: | Union |
| Pushpin Map: | Bangladesh |
| Pushpin Map Caption: | Location in Bangladesh |
| Coordinates: | 22.382°N 89.221°W |
| Subdivision Type: | Country |
| Subdivision Name: | Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Khulna Division |
| Subdivision Type2: | District |
| Subdivision Name2: | Satkhira District |
| Subdivision Type3: | Upazila |
| Subdivision Name3: | Assasuni Upazila |
| Government Type: | Union council |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone1: | BST |
| Utc Offset1: | +6 |
| Postal Code Type: | Postal code |
Protapnagar Union (bn|প্রতাপনগর ইউনিয়ন) is a union parishad in Assasuni Upazila of Satkhira District, in Khulna Division, Bangladesh.[1] [2]
Pratapnagar is a village in the south-western part of Bangladesh near the Sundarbans in Assasuni Upazila, Satkhira District.[3] The village is surrounded by big rivers and numerous canals. Pratapnagar is named after Raja Pratapaditya.
Pratapnagar Jame Mosque (1703) is dated back to Mughal Emperor Aurangzeb.