| Gachua | |
| Official Name: | No.3 Gachua Union Parishad |
| Native Name: | গাছুয়া |
| Settlement Type: | Union Council |
| Pushpin Map: | Bangladesh |
| Pushpin Map Caption: | Location in Bangladesh |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Chittagong Division |
| Subdivision Type2: | District |
| Subdivision Name2: | Chittagong District |
| Subdivision Type3: | Upazila |
| Subdivision Name3: | Sandwip Upazila |
| Subdivision Type4: | Jatiya Sangsad constituency |
| Subdivision Name4: | Chittagong-3 |
| Population Total: | 17078 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Area Total Km2: | 14.60 |
| Governing Body: | Union Council |
| Leader Title: | Chairman |
| Leader Name: | Mohammad Shamsuddin |
| Coordinates: | 22.5583°N 120°W |
| Established Title: | Formed |
| Postal Code Type: | Postal code |
| Timezone: | BST |
| Utc Offset: | +6 |
| Postal Code: | 4300 |
| Website: | gachhuaup.gov.bd |
Gachua is a union in Sandwip upazila of Chittagong district in Bangladesh.
Location of Gachua Union is in the northern part of Sandwip upazila. The distance of this union from Upazila Sadar is about 10 kilometers. Santoshpur Union is in the north of this union, Amanullah Union and Kalapania Union is in the west. It is bounded on the south by Bauria Union and on the east by Sandwip Channel, Syedpur Union and Muradpur Union of Sitakunda Upazila.
The area of Gachua Union is 3463 acres (14.08 km2). (As census of 2006)[1]
Sandwip Channel on the east side of Gachua Union. There are also many small canals.[2]
According to the 2011 census, the population of Gachua Union is 16,07. Of these, 7,128 are males and 8,950 are females.[3]
Gachua Union is No. 3 Union Parishad under Sandwip Upazila. It is part of Jatiya Sangsad Constituency No. 270 Chittagong-3. Administrative activities of the union are under Sandwip police station. It is divided into 3 mouzas.
The villages of this union are:
Gachua Union has an average literacy rate of 48.63%.[1] The union has 1 Fazil Madrasa, 3 secondary schools, 11 primary schools and 9 Ananda schools.
The main road from Upazila Sadar to Gachua Union is the Sandwip-Gachua road. There is also Sarikait-Santoshpur road. Means of communication are taxi, motorcycle, rickshaw, bicycle.
The main market of Gachua Union are Ghatmajhir Hat, Akbar Hat, Haq Saheb Bazar, Bangla Bazar, Kashem Market and Banir Hat and some part of Ershad Market.[6]
| Sr. No. | Chairman's name | Duration | |
|---|---|---|---|
| 01 | Haji Abdus Sattar | ||
| 02 | Master Shafiqul Haque | 1983-2003 | |
| 03 | Mohammad Walidur Rahman | 2003-2011 | |
| 04 | Mohammad Shamsuddin | 2011–present |