P.E.I.
See also: Appendix:Variations of "pei"
English
editProper noun
editP.E.I.
Usage notes
editThis is the customary abbreviation of this term as used in case citations. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Geographical Terms: Australian states and Canadian provinces and territories", Table T10.2, p. 438.