Gulf of Piran Gulf of Piran The Gulf of Piran or Piran Bay (, or, recently, , ) is located in the northern part of the Adriatic Sea, and is a part of the southernmost tip of the Gulf of Trieste. It was named after the town of Piran, and its shores are shared by Croatia and Slovenia. It is delimited by a line connecting Cape Savudrija ("Savudrijski rt") in the south to the Cape Madona ("Rt Madona") in the north and measures around . Since the 1990s, the name Bay of Savudrija ("Savudrijska vala") has also been used in Croatia. On the
Gulf of Tonkin Gulf of Tonkin The Gulf of Tonkin (, ; also ) is a body of water located off the coast of northern Vietnam and southern China. It is a northern arm of the South China Sea. The Gulf is defined in the west by the northern coastline of Vietnam, in the north by China's Guangxi province, and to the east by China's Leizhou Peninsula and Hainan Island. The bay's Vietnamese and Chinese names – and , respectively – both mean "Northern Bay". The name "Tonkin", written "" in Hán-Nôm characters and in the Vietnamese alphabet, means "eastern capital", and is