.ca is the country-code top-level domain (ccTLD) for Canada.
Second-level domains
.ab.ca Alberta .bc.ca British Columbia .gc.ca Canadian federal government .mb.ca Manitoba .nb.ca New Brunswick .nl.ca Newfoundland and Labrador .ns.ca Nova Scotia .nt.ca Northwest Territories .nu.ca Nunavut .on.ca Ontario .pe.ca Prince Edward Island .qc.ca Quebec .sk.ca Saskatchewan .yk.ca Yukon