Explore details about location 国道206号. 国道206号 is a location situated within the 長崎市 alongside other areas such as 国道４９９号, 長崎南環状線, 国道202号小江小浦トンネル. Additionally, some smaller parts of 国道206号 include specific areas like 長崎式見港線, 昭和馬町線 adding to the diversity of its landscape.