Gulf of Trieste features are: The entire Slovenian coastline is located on the Gulf of Trieste. Its length is . Towns along the coastline include (from east to west) Koper, Izola, and Piran. Gulf of Trieste The Gulf of Trieste (, , , ) is a very shallow bay of the Adriatic Sea, in the extreme northern part of the Adriatic Sea. It is part of the Gulf of Venice and is shared by Italy, Slovenia and Croatia. It is closed to the south by the peninsula of Istria, the largest peninsula in the Adriatic Sea, shared between Croatia and Slovenia. The entire
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