Explore details about location 東海道. 東海道 is a location situated within the 岡崎市 alongside other areas such as 岡崎環状線, 東大見岡崎線, 林道桑谷蒲郡線(椿道). Additionally, some smaller parts of 東海道 include specific areas like 保母道, 東名高速道路 (Tomei Expressway), 生平幸田線 adding to the diversity of its landscape.