Public Administration Town (PAT) is the nation’s new capital administrative district created to accommodate the extensive governmental functions of South Korea. The town has been built in a special district of 667-acre in an emerging city, Sejong. After winning 1st place through the UIA-certified international master planning competition in 2007, PAT has been recently completed and represents the original master plan blueprint of Flat City, Link City, and Zero City. Flat City manifests a new vision of a dense city in an iconic-plane geometry. The Plane shapes the government buildings which extend across the whole town programmatically and esthetically, creating an expansive and accessible public space which symbolize an open, non-hierarchical, democratic society. Link City joins and reconciles the governmental agencies and neighborhoods for enhanced function as well as interactive use. The Government facilities, laid out as the infrastructural artery, connect and integrate programmatic needs and diverse uses, such as large parks and fragmented gardens, commercial and business blocks, educational and cultural amenities, and residential neighborhoods. Zero City signifies the vision of zero waste and reproduction. The Largest green technology incorporated in the infrastructure systems will reduce pollution and waste to support the essential function of green spaces though the city.