Mormon members belong to stakes, districts, and branches in a temple district, like the Halifax Nova Scotia Temple Temple District, which grows as members join the Church

Halifax Nova Scotia Temple

Temple District Chronological

Congregations are organized into stakes, districts, and branches, which belong to a temple district. Following are the stakes and districts belonging to the Halifax Nova Scotia Temple District listed in order of creation.
The Halifax Nova Scotia Temple serves members from 2 stakes and 1 district based in New Brunswick and Nova Scotia:

Dartmouth Nova Scotia StakeMay 12, 1985
Saint John New Brunswick StakeJune 26, 1988
New Glasgow Nova Scotia DistrictSeptember 5, 1989
Halifax Nova Scotia TempleDedicated November 14, 1999