Abuja is the capital city of Nigeria,[4] strategically situated at the geographic midpoint of the country within the Federal CapitalTerritory (FCT). As the seat of the Federal Government of Nigeria, it hosts key national institutions, landmarks, and buildings spread across its over 50 districts. Abuja was Nigeria’s first planned city, its location chosen in part for its centrality, pleasant climate, and low population density and the availability of land for future expansion. Former Chief Urban Designer of The City of New York Alexandros Washburn joins WIRED to answer the internet's burning questions about city planning. Urbanplanning experts note that land scarcity is becoming one of the defining challenges facing Nigerian cities. In Lagos particularly, geographic constraints linked to coastal boundaries, wetlands, and existing urban density have limited opportunities for outward expansion. Abuja is the capital city of Nigeria, located in the centre of the country, with some 2.5 million people. Metro-style regional light rail system under construction since 2007, totalling 78 km. Stage 1 officially inaugurated on 12 July 2018 with initial free and limited service between Airport and... Abuja is a planned city and is relatively affluent. It was built from scratch in the 1980s and became the nation's capital in 1991. It's the centre of government and home to foreign embassies, diplomats and businesses. Belgrade, the vibrant capital of Serbia, presents a fascinating blendofhistory, culture, and urban energy. The city’s rich past is palpable through its diverse architecture, from the ancient Belgrade Fortress to the elegant 19th-century mansions lining the streets. It was designed by Oscar Niemeyer and Lucio Costa, who led an urbanplanning commission tasked with building a new capital city for Brazil in 1956.