Explore details about location 国道506号. 国道506号 is a location situated within the 南風原町 alongside other areas such as １２８号線, 南風原与那原線, 沖縄自動車道 (Okinawa Expressway). Additionally, some smaller parts of 国道506号 include specific areas like １２８号線, 那覇糸満線, 糸満与那原線 adding to the diversity of its landscape.