Beira is the second largest city in Mozambique. It lies in the central region of the country in Sofala Province, where the Pungue River meets the Indian Ocean. Beira had a population of 412,588 in 1997, which grew to an estimated 546,000 in 2006. It holds the regionally significant Port of Beira which acts as a gateway for both the central interior portion of the country as well as the land-locked nations of Zimbabwe, Zambia and Malawi.