Kalaroa Bazar is one of the prosperous and successful business places in Satkhira District.

Kalaroa borders Sharsha, Jhikargachha and Manirampur upazilas to the north, Satkhira Sadar and Tala upazilas to the south, Keshabpur, Manirampur and Tala upazilas and the Kobadak river to the east and Swarupnagar CD Block in North 24 Parganas district in the Indian state of West Bengal to the west.

Lohakura, Kumarnal, Dhandia, Joynagar, Murari Katy, Gonopatipur, Sonabaria, Kushudanga, Tulshidanga, Batra, Sreerampur, Bujtola, Kazirhat, Khorda, Saraskati, and Chandanpur are the most famous villages in Kalaroa.

[7] Cultural organizations include 41 clubs, five public libraries, a public institute, three cinema halls, 12 women's organizations, 27 playgrounds, and a Kishore theatre.

The locally published newspapers and periodicals are Pathikrit, Samatat, Suryashikha, Subarna Prasun, and Dalchhut.

Kalaroa Upazila is divided into Kalaroa Municipality and 12 union parishads: Chandanpur, Diara, Helatala, Jallabad, Jogikhali, Joynagar, Kaila, Keragachhi, Keralkata, Kushadanga, Langaljhara, and Sonabaria.