a canton is a govermentaldivison of Swizerland
1. A small territorial division of a country, especially one of the states of Switzerland
A subdivision of an arrondissement in France.
2. Heraldry. A small, square division of a shield, usually in the upper right corner.
3. A usually rectangular division of a flag, occupying the upper corner next to the staff.
Source: Answers.com
Jammu Cantonment's population is 30,107.
The population of Roorkee Cantonment is 17,747.
Roorkee Cantonment was created in 1853.
Kanpur Cantonment's population is 108,035.
Kanpur Cantonment was created in 1778.
Sagar Cantonment's population is 35,872.
Clifton Cantonment's population is 225,000.
Dehradun Cantonment's population is 30,102.
The population of Ambala Cantonment is 61,625.
Nainital Cantonment was created in 1878.
The population of Nainital Cantonment is 1,281.
Wah Cantonment was created in 1951.