Thanon Witthayu or Wireless Road is the one road in Bangkok. It starts from Rama4 Road, Prathumwan district directly to the north east, then cross into Sarasin Road and Ploenchit Road. After that cross San Sab River to Petchburi Road( Yak Witthayu – Phetchburi)
There are many Embassy on this road: Embassy of the United States, Embassy of Colombia, Embassy of New Zealand, Embassy of Finland, Embassy of Spain, Embassy of Vietnam, Embassy of Norway, Embassy diplomat Inc. Switzerland and Embassy of Japan.
