Khuzestan province is in the southwest of the country, bordering Iraq's Basra Province and the Persian Gulf. Its capital is Ahvaz. The province of Khuzestan can be basically divided into two regions, the rolling hills and mountainous regions north of the Ahvaz Ridge, and the plains and marsh lands to its south. The climate of Khuzestan is generally hot and occasionally humid, particularly in the south, while winters are much more cold and dry.