1. Size: 33.38 square kilometers
2. Total number of people: Male: 14576 Female: 15301
3. Total number of voters: Male: 10722 women: 11137
4. Density of population: 895 people live in every square kilometer.
5. Number of mouzas: 02.
6. Number of villages: 11
7. Number of markets: 07.
8. Educational institutions: a) College: 03.
B) Secondary and lower secondary schools: 03.
C) Madrasah: 06
D) Government primary school: 08.
E) Reg. B-Government Primary School: 05
F) satellite and community school: 05.
G) Kindergarten: 2.
H) Education rate: 28.06%
9. Bank 2.
10. Post office: 02.
11. Tahsil office 01.
12. Clinic / Health Center: a) Government: b) Non-Government
13. Forrest Station: No.
14. Forrest patrol outpost 02
15. Police outpost 01.
16. Custom hijaz: No.
17. Association (Reg): 43

Introduction
Kaira union is located in the upazila headquarter Kaira. It is one of the seven unions of Koara upazila. It has four unions and two union centers on the south. The union of the north namely, (1) Maharajpur (2) Bagali (3) Amadee and (4) Maheshwaripur Union And in the south there are two union lines, namely (1) North Gadchiki Union and (2) South Bankishi Union. Being located in the headquarters of the upazila, many people from different countries and countries are unharmed without any other six people.


Nomenclature
Koara is located in the southernmost and the last border of the district of Khulna, Bangladesh. After this upazila only the Sundarbans and the rivers and the sea. Kaira Union named as Kyra Upazila Sadar Union The name of the upazila is named after this union.

There is no such history of the name of Koara Upazila or Koara Union. However, it is widely believed that according to different opinions and in different opinions it is mentioned below.

According to someone, the origin of the name of the kaira from 'kawra'. Because at one time a group called 'Kaawra' was inhabited by current Kaira upazila sadar's Krishi Bank, Union Parishad Bhaban and Bankar Bazar area. They can be called indigenous people of this region. Since they lived mostly from the birth of the kayra. Their job was to carry the palanquin and keep the shukas. Probably the origin of the name of kayra from 'ka'ora'.

According to another opinion, kayra is a lowland land. There was plenty of fish available here. And the 'Kai' fish in this fish were very much. The origin of the name of the kayra from this 'Kai' fish. In other words, many words of 'Koi' are 'Ra'. Suarera Kai ra = Kaira Afterwards, the name was changed and the name of the kyara.

And in a different way it is known that the origin of the name of kayra from 'Keora'. The Sundarbans, according to the Kyra upazila or Union. And the well-known and well-known 'Keora' result of this Sundarbans The name 'kerawa' may have changed, probably the origin of the names



It is number 5 from union number. By number of people it is number 4 and 5 in case of volume. Consists of two mouzas and 11 villages. The natural beauty of this union and pleasant.

Border
Maharajpur Union is situated in the north of kayara union. South Bihar and Kobadak river on the south and above it is situated Gabura union under Shanagar upazila of Satkhira district. Eastern Shakabaria river and its adjoining Sundarbans In the west there is the Kobadak River and its adjoining Satyakshia district Shyamnagar upazila.

Size:
The size of this union is 33.38 sq km.


Number of people
            Total number of people in kayra union total = 29,877 Of these, males = 14576 and females = 15,301
                                       According to the 2011 census of Adam)

Density of population
          There is a square kilometer of this union = 895 people live.

Number of villages:
The total number of villages in the union is 11 = total. Namely (1) Northern Madinabad (2) South Madinabad (3) Gobra (4) Ghatakhali (5) Harinkhola (6) 1 No. of Korah (7) 2 No. of Korah (8) 3 No. of Korah (9) 4 No kaira (10) 5 Korah (11 ) Koara village No. 6

The birth of kaira union
Koara Union was born in 1960. Prior to that union there was no separate union. The current or today's coal union was divided into two parts before the year 1960. Kaira union kayra mouja (1st from kaira to 6 kaira) was included in the pedestrian union. And Madinabad Mouza (Madinabad, Gobra, Ghatakhali, Harinkhola) of the Koya Union was in the Maharajpur Union. When the chairman system was introduced at the union level in 1960, a separate union was formed. This Kaira Union is formed with the Madar Nad Mouza from the middle of the Maharajpur Union.