Bou Ismaïl (Algerian Arabic: بو إسماعيل) is a city in Bou Ismaïl District, Tipasa Province, Algeria.

In 2008 it had a population of 40,984.

[1] Its French colonial name was Castiglione.

This article about a location in Tipaza Province is a stub.

You can help Wikipedia by expanding it.