The government has identified a number of heritage buildings in the city, especially in the old quarter. This central area of Dili is the site of historical settlement, and many buildings there reflect Portuguese architecture. Portuguese-era buildings are most common in the Motael, Gricenfor, and Bidau Lecidere sucos. They include the former Market Hall built around 1930, now used as a Congress Centre. The former Portuguese Governor's office is now the office of the Prime Minister. It was previously also used by the Indonesian-appointed Governor, and by the United Nations Transitional Administration in East Timor (UNTAET).