For the province in Kenya known as "Pwani" in Swahili, see Coast Province.Pwani Region is one of Tanzania's 30 administrative regions. The regional capital is the town of Kibaha. According to the 2012 national census, the region had a population of 1,098,668, which was slightly lower than the pre-census projection of 1,110,917. For 2002-2012, the region's 2.2 percent average annual population growth rate was the seventeenth highest in the country.